diff --git a/circle-mlir/circle-mlir/tools-test/circle-impexp-test/run_import_test.sh b/circle-mlir/circle-mlir/tools-test/circle-impexp-test/run_import_test.sh
index acf91ce1398..bdfe6a3aba6 100644
--- a/circle-mlir/circle-mlir/tools-test/circle-impexp-test/run_import_test.sh
+++ b/circle-mlir/circle-mlir/tools-test/circle-impexp-test/run_import_test.sh
@@ -10,7 +10,7 @@
 
 set -e
 
-TEST_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+TEST_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 
 MODEL_NAME="$1"; shift
 
diff --git a/circle-mlir/circle-mlir/tools-test/circle-impexp-test/run_value_test.sh b/circle-mlir/circle-mlir/tools-test/circle-impexp-test/run_value_test.sh
index 7794abbc226..d0f55fd5d72 100644
--- a/circle-mlir/circle-mlir/tools-test/circle-impexp-test/run_value_test.sh
+++ b/circle-mlir/circle-mlir/tools-test/circle-impexp-test/run_value_test.sh
@@ -12,7 +12,7 @@
 
 set -e
 
-TEST_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+TEST_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 
 VENV_PATH="$1"; shift
 MODEL_NAME="$1"; shift
diff --git a/circle-mlir/circle-mlir/tools-test/gen-onnx/run_gen_onnx.sh b/circle-mlir/circle-mlir/tools-test/gen-onnx/run_gen_onnx.sh
index 434d45a25b4..72cf33187c2 100644
--- a/circle-mlir/circle-mlir/tools-test/gen-onnx/run_gen_onnx.sh
+++ b/circle-mlir/circle-mlir/tools-test/gen-onnx/run_gen_onnx.sh
@@ -10,7 +10,7 @@
 # model_name : name of model
 # onnx_name  : name of onnx file
 
-THIS_SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+THIS_SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 PY_SCRIPT_PATH="${THIS_SCRIPT_PATH}/run_gen_onnx.py"
 
 VENV_PATH="$1"; shift
diff --git a/circle-mlir/circle-mlir/tools-test/onnx2circle-rewrite-test/run_circle_ops_test.sh b/circle-mlir/circle-mlir/tools-test/onnx2circle-rewrite-test/run_circle_ops_test.sh
index c6d89450b79..94fc8bf8ce7 100644
--- a/circle-mlir/circle-mlir/tools-test/onnx2circle-rewrite-test/run_circle_ops_test.sh
+++ b/circle-mlir/circle-mlir/tools-test/onnx2circle-rewrite-test/run_circle_ops_test.sh
@@ -10,7 +10,7 @@
 
 set -e
 
-TEST_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+TEST_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 
 VENV_PATH="$1"; shift
 RUN_PATH="$1"; shift
diff --git a/circle-mlir/circle-mlir/tools-test/onnx2circle-value-test/run_value_test.sh b/circle-mlir/circle-mlir/tools-test/onnx2circle-value-test/run_value_test.sh
index 9d5a44eccf6..30cf6707a8d 100644
--- a/circle-mlir/circle-mlir/tools-test/onnx2circle-value-test/run_value_test.sh
+++ b/circle-mlir/circle-mlir/tools-test/onnx2circle-value-test/run_value_test.sh
@@ -13,7 +13,7 @@
 
 set -e
 
-TEST_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+TEST_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 
 VENV_PATH="$1"; shift
 MODEL_NAME="$1"; shift
diff --git a/circle-mlir/circle-mlir/tools/one-import-onnx-ext/one-import-onnx-ext b/circle-mlir/circle-mlir/tools/one-import-onnx-ext/one-import-onnx-ext
index a6587ed0e0b..60554048811 100644
--- a/circle-mlir/circle-mlir/tools/one-import-onnx-ext/one-import-onnx-ext
+++ b/circle-mlir/circle-mlir/tools/one-import-onnx-ext/one-import-onnx-ext
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)" # '''
-''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                       # '''
-''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
-''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
-''''exit 255                                                                            # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" >/dev/null && pwd)" # '''
+''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                                  # '''
+''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                                # '''
+''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command."            # '''
+''''exit 255                                                                                       # '''
 
 # Copyright (c) 2025 Samsung Electronics Co., Ltd. All Rights Reserved
 #
diff --git a/circle-mlir/infra/overlay/prepare-venv b/circle-mlir/infra/overlay/prepare-venv
index da5f5f7e249..6d813063e8a 100644
--- a/circle-mlir/infra/overlay/prepare-venv
+++ b/circle-mlir/infra/overlay/prepare-venv
@@ -34,7 +34,7 @@ fi
 
 set -e
 
-DRIVER_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+DRIVER_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 if [[ -z "$VENV_NAME" ]]; then
   VENV_NAME="venv"
 fi
diff --git a/circle-mlir/infra/tools/gen-coverage-report b/circle-mlir/infra/tools/gen-coverage-report
index 8d120dd0ba0..63463c3d75e 100644
--- a/circle-mlir/infra/tools/gen-coverage-report
+++ b/circle-mlir/infra/tools/gen-coverage-report
@@ -6,7 +6,7 @@
 #   COVERAGE_PATH  : path where coverage report is generated,
 #                    default is ${PROJECT_PATH}/${COVERAGE_RPATH}
 
-PROJECT_PATH="$(cd $(dirname ${BASH_SOURCE[0]})/../.. && pwd)"
+PROJECT_PATH="$(cd $(dirname ${BASH_SOURCE[0]})/../.. >/dev/null && pwd)"
 
 # Set BUILD_WORKSPACE_RPATH with default 'build/coverage' if not set
 BUILD_WORKSPACE_RPATH="${BUILD_WORKSPACE_RPATH:-build/coverage}"
diff --git a/compiler/circle-part-value-test/part_eval_all.sh b/compiler/circle-part-value-test/part_eval_all.sh
index ae8ae473166..df06c911480 100755
--- a/compiler/circle-part-value-test/part_eval_all.sh
+++ b/compiler/circle-part-value-test/part_eval_all.sh
@@ -10,7 +10,7 @@
 #    work_dir : artifacts directoy where test materials exist
 #    venv_dir : python virtual environment home directory
 
-VERIFY_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+VERIFY_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 VERIFY_SCRIPT_PATH="${VERIFY_SOURCE_PATH}/part_eval_one.py"
 WORKDIR="$1"; shift
 VIRTUALENV="$1"; shift
@@ -25,7 +25,7 @@ for TESTCASE in "$@"; do
 
   # for simplicity, folder uses same ${TESTCASE}
   TESTCASE_FOLDER="${WORKDIR}/${TESTCASE}"
-  
+
   PASSED_TAG="${TESTCASE_FOLDER}.passed"
   rm -f "${PASSED_TAG}"
 
diff --git a/compiler/circle-quantizer-dredd-recipe-test/testall.sh b/compiler/circle-quantizer-dredd-recipe-test/testall.sh
index e5d5cf2b875..c4568593011 100755
--- a/compiler/circle-quantizer-dredd-recipe-test/testall.sh
+++ b/compiler/circle-quantizer-dredd-recipe-test/testall.sh
@@ -13,7 +13,7 @@ if [[ $# -lt 2 ]]; then
   exit 255
 fi
 
-WORKDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+WORKDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
 CONFIG_PATH="$1"; shift
 RESOURCE_DIR="$1"; shift
 
diff --git a/compiler/circle-resizer-dredd-recipe-test/testall.sh b/compiler/circle-resizer-dredd-recipe-test/testall.sh
index 18f47137c13..141fe34ecb7 100755
--- a/compiler/circle-resizer-dredd-recipe-test/testall.sh
+++ b/compiler/circle-resizer-dredd-recipe-test/testall.sh
@@ -13,7 +13,7 @@ if [[ $# -lt 2 ]]; then
   exit 255
 fi
 
-WORKDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+WORKDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
 CONFIG_PATH="$1"; shift
 RESOURCE_DIR="$1"; shift
 
diff --git a/compiler/circle2circle-dredd-recipe-test/testall.sh b/compiler/circle2circle-dredd-recipe-test/testall.sh
index 94831d12c45..0cee32dbe94 100755
--- a/compiler/circle2circle-dredd-recipe-test/testall.sh
+++ b/compiler/circle2circle-dredd-recipe-test/testall.sh
@@ -13,7 +13,7 @@ if [[ $# -lt 2 ]]; then
   exit 255
 fi
 
-WORKDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+WORKDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null >/dev/null && pwd )"
 CONFIG_PATH="$1"; shift
 RESOURCE_DIR="$1"; shift
 
diff --git a/compiler/luci-pass-value-test/eval_driver.sh b/compiler/luci-pass-value-test/eval_driver.sh
index 848b6419af2..afa394352b6 100755
--- a/compiler/luci-pass-value-test/eval_driver.sh
+++ b/compiler/luci-pass-value-test/eval_driver.sh
@@ -11,7 +11,7 @@
 # venv_dir : python virtual environment home directory
 # intp_dir : path to luci_eval_driver from luci-eval-driver
 
-VERIFY_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+VERIFY_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 VERIFY_SCRIPT_PATH="${VERIFY_SOURCE_PATH}/eval_result_verifier.py"
 BINDIR="$1"; shift
 WORKDIR="$1"; shift
diff --git a/compiler/luci-value-test/evalverify.sh b/compiler/luci-value-test/evalverify.sh
index 3d209117651..5e07db75b17 100755
--- a/compiler/luci-value-test/evalverify.sh
+++ b/compiler/luci-value-test/evalverify.sh
@@ -11,7 +11,7 @@
 # venv_dir : python virtual environment home directory
 # eval_driver : luci_eval_driver path for evaluation
 
-VERIFY_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+VERIFY_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 VERIFY_SCRIPT_PATH="${VERIFY_SOURCE_PATH}/luci_eval_verifier.py"
 BINDIR="$1"; shift
 WORKDIR="$1"; shift
diff --git a/compiler/luci-value-test/evalverify_ref.sh b/compiler/luci-value-test/evalverify_ref.sh
index f1e538aa31b..7f9d7beedc6 100755
--- a/compiler/luci-value-test/evalverify_ref.sh
+++ b/compiler/luci-value-test/evalverify_ref.sh
@@ -10,7 +10,7 @@
 # ref_dir  : artifacts directoy where reference test materials exist
 # eval_driver : luci_eval_driver path for evaluation
 
-VERIFY_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+VERIFY_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 VERIFY_SCRIPT_PATH="${VERIFY_SOURCE_PATH}/luci_eval_verifier_ref.py"
 BINDIR="$1"; shift
 REFDIR="$1"; shift
diff --git a/compiler/luci-value-test/evalverifytol.sh b/compiler/luci-value-test/evalverifytol.sh
index 92094055aad..c4532e789aa 100755
--- a/compiler/luci-value-test/evalverifytol.sh
+++ b/compiler/luci-value-test/evalverifytol.sh
@@ -10,7 +10,7 @@
 # work_dir : artifacts directoy where test materials exist
 # venv_dir : python virtual environment home directory
 
-VERIFY_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+VERIFY_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 VERIFY_SCRIPT_PATH="${VERIFY_SOURCE_PATH}/luci_eval_verifier.py"
 BINDIR="$1"; shift
 WORKDIR="$1"; shift
diff --git a/compiler/luci-value-test/evalverifytol_ref.sh b/compiler/luci-value-test/evalverifytol_ref.sh
index cc7267b1833..7faedf36a9c 100755
--- a/compiler/luci-value-test/evalverifytol_ref.sh
+++ b/compiler/luci-value-test/evalverifytol_ref.sh
@@ -10,7 +10,7 @@
 # ref_dir  : artifacts directoy where reference test materials exist
 # eval_driver : luci_eval_driver path for evaluation
 
-VERIFY_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+VERIFY_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 VERIFY_SCRIPT_PATH="${VERIFY_SOURCE_PATH}/luci_eval_verifier_ref.py"
 BINDIR="$1"; shift
 REFDIR="$1"; shift
diff --git a/compiler/luci/tests/readverify.sh b/compiler/luci/tests/readverify.sh
index 6d6753d39d4..6d2eef23fc1 100755
--- a/compiler/luci/tests/readverify.sh
+++ b/compiler/luci/tests/readverify.sh
@@ -5,7 +5,7 @@
 # HOW TO USE
 #
 # ./readverify.sh <path/to/luci_readtester> <TEST 1> <TEST 2> ...
-VERIFY_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+VERIFY_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 
 # set LOG enable to execute/test luci/logex codes
 export LUCI_LOG=100
diff --git a/compiler/luci/tests/writeverify.sh b/compiler/luci/tests/writeverify.sh
index 6980bac4494..8c1fdf84b42 100755
--- a/compiler/luci/tests/writeverify.sh
+++ b/compiler/luci/tests/writeverify.sh
@@ -5,7 +5,7 @@
 # HOW TO USE
 #
 # ./writeverify.sh <path/to/luci_writetester> <TEST 1> <TEST 2> ...
-VERIFY_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+VERIFY_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 
 WORKDIR="$1"; shift
 VERIFY_BINARY_PATH="$1"; shift
diff --git a/compiler/one-cmds/one-codegen b/compiler/one-cmds/one-codegen
index 84e7b31d906..bc5c49167e0 100644
--- a/compiler/one-cmds/one-codegen
+++ b/compiler/one-cmds/one-codegen
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)" # '''
-''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                       # '''
-''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
-''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
-''''exit 255                                                                            # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" >/dev/null && pwd)" # '''
+''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                                  # '''
+''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                                # '''
+''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command."            # '''
+''''exit 255                                                                                       # '''
 
 # Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
 #
@@ -179,10 +179,10 @@ def main():
     [5] one-codegen -b ${backend} ${command}
     [6] one-codegen -b ${backend} -- ${command}
     [7] one-codegen -b ${backend} -C {cfg} (backend, command key in cfg)
-    [8] one-codegen -b ${backend} -C {cfg} (backends key in cfg) (Only 'backend' is invoked, 
+    [8] one-codegen -b ${backend} -C {cfg} (backends key in cfg) (Only 'backend' is invoked,
          even though cfg file has multiple backends)
-    [9] one-codegen -b ${backend} -C ${cfg} -- ${command} (backend, command key in cfg) 
-    [10] one-codegen -b ${backend} -C ${cfg} -- ${command} (backends key in cfg) (Only 'backend' is invoked, 
+    [9] one-codegen -b ${backend} -C ${cfg} -- ${command} (backend, command key in cfg)
+    [10] one-codegen -b ${backend} -C ${cfg} -- ${command} (backends key in cfg) (Only 'backend' is invoked,
          even though cfg file has multiple backends)
     [11] one-codegen -C {cfg} (w/ target, w/ command schema)
     [12] one-codegen -C {cfg} (w/ target, w/o command schema)
diff --git a/compiler/one-cmds/one-create-quant-dataset b/compiler/one-cmds/one-create-quant-dataset
index 8262b9efde6..9c1c1b16b51 100644
--- a/compiler/one-cmds/one-create-quant-dataset
+++ b/compiler/one-cmds/one-create-quant-dataset
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)" # '''
-''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                       # '''
-''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
-''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
-''''exit 255                                                                            # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" >/dev/null && pwd)" # '''
+''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                                  # '''
+''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                                # '''
+''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command."            # '''
+''''exit 255                                                                                       # '''
 
 # Copyright (c) 2023 Samsung Electronics Co., Ltd. All Rights Reserved
 #
diff --git a/compiler/one-cmds/one-import b/compiler/one-cmds/one-import
index 880b8311d51..42417639ca4 100644
--- a/compiler/one-cmds/one-import
+++ b/compiler/one-cmds/one-import
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)" # '''
-''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                       # '''
-''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
-''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
-''''exit 255                                                                            # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" >/dev/null && pwd)" # '''
+''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                                  # '''
+''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                                # '''
+''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command."            # '''
+''''exit 255                                                                                       # '''
 
 # Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
 #
diff --git a/compiler/one-cmds/one-import-bcq b/compiler/one-cmds/one-import-bcq
index 66b63868188..ca937de65a8 100644
--- a/compiler/one-cmds/one-import-bcq
+++ b/compiler/one-cmds/one-import-bcq
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)" # '''
-''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                       # '''
-''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
-''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
-''''exit 255                                                                            # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" >/dev/null && pwd)" # '''
+''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                                  # '''
+''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                                # '''
+''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command."            # '''
+''''exit 255                                                                                       # '''
 
 # Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
 #
diff --git a/compiler/one-cmds/one-import-onnx b/compiler/one-cmds/one-import-onnx
index 35fcbeb56c4..f0efe8ebf1e 100644
--- a/compiler/one-cmds/one-import-onnx
+++ b/compiler/one-cmds/one-import-onnx
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)" # '''
-''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                       # '''
-''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
-''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
-''''exit 255                                                                            # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" >/dev/null && pwd)" # '''
+''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                                  # '''
+''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                                # '''
+''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command."            # '''
+''''exit 255                                                                                       # '''
 
 # Copyright (c) 2021 Samsung Electronics Co., Ltd. All Rights Reserved
 #
diff --git a/compiler/one-cmds/one-import-pytorch b/compiler/one-cmds/one-import-pytorch
index 5fb856ced5d..76ad5823cc9 100644
--- a/compiler/one-cmds/one-import-pytorch
+++ b/compiler/one-cmds/one-import-pytorch
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)" # '''
-''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                       # '''
-''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
-''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
-''''exit 255                                                                            # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" >/dev/null && pwd)" # '''
+''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                                  # '''
+''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                                # '''
+''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command."            # '''
+''''exit 255                                                                                       # '''
 
 # Copyright (c) 2025 Samsung Electronics Co., Ltd. All Rights Reserved
 #
diff --git a/compiler/one-cmds/one-import-tf b/compiler/one-cmds/one-import-tf
index bf5328879cf..b74574b04bb 100644
--- a/compiler/one-cmds/one-import-tf
+++ b/compiler/one-cmds/one-import-tf
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)" # '''
-''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                       # '''
-''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
-''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
-''''exit 255                                                                            # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" >/dev/null && pwd)" # '''
+''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                                  # '''
+''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                                # '''
+''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command."            # '''
+''''exit 255                                                                                       # '''
 
 # Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
 #
diff --git a/compiler/one-cmds/one-import-tflite b/compiler/one-cmds/one-import-tflite
index edd24f44500..98472333280 100644
--- a/compiler/one-cmds/one-import-tflite
+++ b/compiler/one-cmds/one-import-tflite
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)" # '''
-''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                       # '''
-''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
-''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
-''''exit 255                                                                            # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" >/dev/null && pwd)" # '''
+''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                                  # '''
+''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                                # '''
+''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command."            # '''
+''''exit 255                                                                                       # '''
 
 # Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
 #
diff --git a/compiler/one-cmds/one-infer b/compiler/one-cmds/one-infer
index 9c2dfddb2fb..6559b29d041 100644
--- a/compiler/one-cmds/one-infer
+++ b/compiler/one-cmds/one-infer
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)" # '''
-''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                       # '''
-''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
-''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
-''''exit 255                                                                            # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" >/dev/null && pwd)" # '''
+''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                                  # '''
+''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                                # '''
+''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command."            # '''
+''''exit 255                                                                                       # '''
 
 # Copyright (c) 2022 Samsung Electronics Co., Ltd. All Rights Reserved
 #
diff --git a/compiler/one-cmds/one-init b/compiler/one-cmds/one-init
index 2de1cde9220..aec9534a129 100644
--- a/compiler/one-cmds/one-init
+++ b/compiler/one-cmds/one-init
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)" # '''
-''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                       # '''
-''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
-''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
-''''exit 255                                                                            # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" >/dev/null && pwd)" # '''
+''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                                  # '''
+''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                                # '''
+''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command."            # '''
+''''exit 255                                                                                       # '''
 
 # Copyright (c) 2022 Samsung Electronics Co., Ltd. All Rights Reserved
 #
diff --git a/compiler/one-cmds/one-optimize b/compiler/one-cmds/one-optimize
index 7a7de8605ae..702fc87f64a 100644
--- a/compiler/one-cmds/one-optimize
+++ b/compiler/one-cmds/one-optimize
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)" # '''
-''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                       # '''
-''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
-''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
-''''exit 255                                                                            # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" >/dev/null && pwd)" # '''
+''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                                  # '''
+''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                                # '''
+''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command."            # '''
+''''exit 255                                                                                       # '''
 
 # Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
 #
diff --git a/compiler/one-cmds/one-pack b/compiler/one-cmds/one-pack
index 5bddec99b69..f7f63939a9e 100644
--- a/compiler/one-cmds/one-pack
+++ b/compiler/one-cmds/one-pack
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)" # '''
-''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                       # '''
-''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
-''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
-''''exit 255                                                                            # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" >/dev/null && pwd)" # '''
+''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                                  # '''
+''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                                # '''
+''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command."            # '''
+''''exit 255                                                                                       # '''
 
 # Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
 #
diff --git a/compiler/one-cmds/one-partition b/compiler/one-cmds/one-partition
index 728a5064b05..d1c40c7b0de 100644
--- a/compiler/one-cmds/one-partition
+++ b/compiler/one-cmds/one-partition
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)" # '''
-''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                       # '''
-''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
-''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
-''''exit 255                                                                            # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" >/dev/null && pwd)" # '''
+''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                                  # '''
+''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                                # '''
+''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command."            # '''
+''''exit 255                                                                                       # '''
 
 # Copyright (c) 2022 Samsung Electronics Co., Ltd. All Rights Reserved
 #
diff --git a/compiler/one-cmds/one-prepare-venv b/compiler/one-cmds/one-prepare-venv
index b7abf5d80bb..ae050c01d53 100644
--- a/compiler/one-cmds/one-prepare-venv
+++ b/compiler/one-cmds/one-prepare-venv
@@ -32,7 +32,7 @@ fi
 
 set -e
 
-DRIVER_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+DRIVER_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 
 VENV_ACTIVATE=${DRIVER_PATH}/venv/bin/activate
 # NOTE please use venv's python instead of python after `source activation`.
diff --git a/compiler/one-cmds/one-profile b/compiler/one-cmds/one-profile
index 585517f7c4c..52dd63c9348 100644
--- a/compiler/one-cmds/one-profile
+++ b/compiler/one-cmds/one-profile
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)" # '''
-''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                       # '''
-''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
-''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
-''''exit 255                                                                            # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" >/dev/null && pwd)" # '''
+''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                                  # '''
+''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                                # '''
+''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command."            # '''
+''''exit 255                                                                                       # '''
 
 # Copyright (c) 2021 Samsung Electronics Co., Ltd. All Rights Reserved
 #
@@ -214,10 +214,10 @@ def main():
     [5] one-profile -b ${backend} ${command}
     [6] one-profile -b ${backend} -- ${command}
     [7] one-profile -b ${backend} -C {cfg} (backend, command key in cfg)
-    [8] one-profile -b ${backend} -C {cfg} (backends key in cfg) (Only 'backend' is invoked, 
+    [8] one-profile -b ${backend} -C {cfg} (backends key in cfg) (Only 'backend' is invoked,
          even though cfg file has multiple backends)
-    [9] one-profile -b ${backend} -C ${cfg} -- ${command} (backend, command key in cfg) 
-    [10] one-profile -b ${backend} -C ${cfg} -- ${command} (backends key in cfg) (Only 'backend' is invoked, 
+    [9] one-profile -b ${backend} -C ${cfg} -- ${command} (backend, command key in cfg)
+    [10] one-profile -b ${backend} -C ${cfg} -- ${command} (backends key in cfg) (Only 'backend' is invoked,
          even though cfg file has multiple backends)
     [11] one-profile -C {cfg} (w/ target, w/ command schema)
     [12] one-profile -C {cfg} (w/ target, w/o command schema)
diff --git a/compiler/one-cmds/one-quantize b/compiler/one-cmds/one-quantize
index ab77e7cd84f..b83ecd4224d 100644
--- a/compiler/one-cmds/one-quantize
+++ b/compiler/one-cmds/one-quantize
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)" # '''
-''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                       # '''
-''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
-''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
-''''exit 255                                                                            # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" >/dev/null && pwd)" # '''
+''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                                  # '''
+''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                                # '''
+''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command."            # '''
+''''exit 255                                                                                       # '''
 
 # Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
 #
diff --git a/compiler/one-cmds/onecc b/compiler/one-cmds/onecc
index 6deaa444115..69cb2d12608 100644
--- a/compiler/one-cmds/onecc
+++ b/compiler/one-cmds/onecc
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)" # '''
-''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                       # '''
-''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
-''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
-''''exit 255                                                                            # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" >/dev/null && pwd)" # '''
+''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                                  # '''
+''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                                # '''
+''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command."            # '''
+''''exit 255                                                                                       # '''
 
 # Copyright (c) 2021 Samsung Electronics Co., Ltd. All Rights Reserved
 #
@@ -42,9 +42,9 @@ def run_subtools():
 
     E.g. $ onecc -C ${CFG_FILE}
          $ onecc import tflite -i ${INPUT} -o ${OUTPUT} ## HERE
-        
+
     Please refer to above `subtool_list` for the support list of sub-tools.
-    
+
     This function checks if given sub-tool exists and run it directly.
     """
     subtool_keys: List[str] = oneutils.one_cmd_list()
diff --git a/compiler/one-cmds/tests/CMakeLists.txt b/compiler/one-cmds/tests/CMakeLists.txt
index 05f8d017174..55f245f23b3 100644
--- a/compiler/one-cmds/tests/CMakeLists.txt
+++ b/compiler/one-cmds/tests/CMakeLists.txt
@@ -13,7 +13,7 @@ file(GLOB TARGETCONFITEMS RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "./*.ini")
 set(DRIVER_SCRIPT "${CMAKE_CURRENT_BINARY_DIR}/runtestall.sh")
 
 file(WRITE  "${DRIVER_SCRIPT}" "#!/bin/bash\n\n")
-file(APPEND "${DRIVER_SCRIPT}" "SCRIPT_PATH=$(cd $(dirname $\{BASH_SOURCE\[0\]\}) && pwd)\n")
+file(APPEND "${DRIVER_SCRIPT}" "SCRIPT_PATH=$(cd $(dirname $\{BASH_SOURCE\[0\]\}) >/dev/null && pwd)\n")
 file(APPEND "${DRIVER_SCRIPT}" "pushd $SCRIPT_PATH > /dev/null\n")
 file(APPEND "${DRIVER_SCRIPT}" "rm -rf runtestall.log\n")
 file(APPEND "${DRIVER_SCRIPT}" "export PATH=$SCRIPT_PATH/../bin:$PATH\n")
@@ -109,7 +109,7 @@ install(FILES ${PREPROCESS_IMAGES_NUMPY_PY}
                     GROUP_READ
                     WORLD_READ
         DESTINATION test)
-        
+
 install(FILES ${ONNX_LEGALIZE_RUN_COMPARE}
         PERMISSIONS OWNER_WRITE OWNER_READ OWNER_EXECUTE
         GROUP_READ GROUP_EXECUTE
diff --git a/compiler/one-cmds/tests/onnx-operations/CMakeLists.txt b/compiler/one-cmds/tests/onnx-operations/CMakeLists.txt
index e6b2b354a05..d1faae52c78 100644
--- a/compiler/one-cmds/tests/onnx-operations/CMakeLists.txt
+++ b/compiler/one-cmds/tests/onnx-operations/CMakeLists.txt
@@ -39,7 +39,7 @@ endforeach(TEST_ITEM)
 set(DRIVER_SCRIPT "${CMAKE_CURRENT_BINARY_DIR}/runtestall.sh")
 
 file(WRITE  "${DRIVER_SCRIPT}" "#!/bin/bash\n\n")
-file(APPEND "${DRIVER_SCRIPT}" "SCRIPT_PATH=$(cd $(dirname \${BASH_SOURCE[0]}) && pwd)\n")
+file(APPEND "${DRIVER_SCRIPT}" "SCRIPT_PATH=$(cd $(dirname \${BASH_SOURCE[0]}) >/dev/null && pwd)\n")
 file(APPEND "${DRIVER_SCRIPT}" "pushd $SCRIPT_PATH > /dev/null\n")
 file(APPEND "${DRIVER_SCRIPT}" "rm -rf runtestall.log\n")
 file(APPEND "${DRIVER_SCRIPT}" "export PATH=$SCRIPT_PATH/../bin:$PATH\n")
diff --git a/compiler/one-cmds/tests/onnx-operations/prepare_test_materials.sh b/compiler/one-cmds/tests/onnx-operations/prepare_test_materials.sh
index 274a60f0ae6..45ae3b5a02f 100644
--- a/compiler/one-cmds/tests/onnx-operations/prepare_test_materials.sh
+++ b/compiler/one-cmds/tests/onnx-operations/prepare_test_materials.sh
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 pushd $SCRIPT_PATH > /dev/null
 
 for test_case in examples/*; do
diff --git a/compiler/one-cmds/tests/prepare_test_materials.sh b/compiler/one-cmds/tests/prepare_test_materials.sh
index 6408d1b5103..c8ce3739796 100644
--- a/compiler/one-cmds/tests/prepare_test_materials.sh
+++ b/compiler/one-cmds/tests/prepare_test_materials.sh
@@ -16,7 +16,7 @@
 
 # See https://github.com/Samsung/ONE/issues/4155 for information
 
-SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 pushd $SCRIPT_PATH > /dev/null
 
 if [[ ! -s "inception_v3.pb" ]]; then
diff --git a/compiler/one-cmds/validate-onnx2circle/validate_onnx2circle.py b/compiler/one-cmds/validate-onnx2circle/validate_onnx2circle.py
index 74778cf866f..9bf451b566d 100644
--- a/compiler/one-cmds/validate-onnx2circle/validate_onnx2circle.py
+++ b/compiler/one-cmds/validate-onnx2circle/validate_onnx2circle.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"                  # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"       # '''
 ''''export PY_PATH=${SCRIPT_PATH}/../bin/venv/bin/python                                # '''
 ''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
 ''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
diff --git a/compiler/onnx2tflite-integration-test/testall.sh b/compiler/onnx2tflite-integration-test/testall.sh
index a1ab44405a2..8960d6820ac 100755
--- a/compiler/onnx2tflite-integration-test/testall.sh
+++ b/compiler/onnx2tflite-integration-test/testall.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-WORKDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+WORKDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)
 
 if [[ $# -lt 1 ]]; then
   echo "USAGE: $0 ..."
diff --git a/compiler/pota-quantization-value-test/test_fake_wquant.sh b/compiler/pota-quantization-value-test/test_fake_wquant.sh
index 607c3a6c886..db2c0718d1c 100755
--- a/compiler/pota-quantization-value-test/test_fake_wquant.sh
+++ b/compiler/pota-quantization-value-test/test_fake_wquant.sh
@@ -8,7 +8,7 @@
 # test.config : set ${RECORD_MINMAX_PATH} and ${CIRCLE_QUANTIZER_PATH}
 # work_dir : build directory of quantization-value-test (ex: build/compiler/quantization-value-test)
 
-SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 COMPARE_SCRIPT_PATH="${SOURCE_PATH}/compare_tensors_all.py"
 CONFIG_PATH="$1"; shift
 BIN_PATH=$(dirname "${CONFIG_PATH}")
@@ -28,7 +28,7 @@ FAILED=()
 TEST_PARAMS="$@"
 
 pushd "${WORKDIR}"
-while [ "$1" != "" ]; do  
+while [ "$1" != "" ]; do
   MODELNAME=$1; shift
   GRANULARITY=$1; shift
   DTYPE=$1; shift
@@ -50,7 +50,7 @@ while [ "$1" != "" ]; do
     "${CIRCLE_QUANTIZER_PATH}" \
       --quantize_dequantize_weights float32 "${DTYPE}" "${GRANULARITY}" \
       "${WORKDIR}/${MODELNAME}.circle" \
-      "${TEST_RESULT_FILE}.fake_quantized.circle" 
+      "${TEST_RESULT_FILE}.fake_quantized.circle"
 
     # Dump weights values (circle-tensordump)
     "${CIRCLE_TENSORDUMP_PATH}" \
diff --git a/compiler/pota-quantization-value-test/test_fake_wquant_with_config.sh b/compiler/pota-quantization-value-test/test_fake_wquant_with_config.sh
index 815ab4ca7a5..287606a3c43 100755
--- a/compiler/pota-quantization-value-test/test_fake_wquant_with_config.sh
+++ b/compiler/pota-quantization-value-test/test_fake_wquant_with_config.sh
@@ -8,7 +8,7 @@
 # test.config : set ${RECORD_MINMAX_PATH} and ${CIRCLE_QUANTIZER_PATH}
 # work_dir : build directory of quantization-value-test (ex: build/compiler/quantization-value-test)
 
-SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 COMPARE_SCRIPT_PATH="${SOURCE_PATH}/compare_tensors_all.py"
 CONFIG_PATH="$1"; shift
 BIN_PATH=$(dirname "${CONFIG_PATH}")
@@ -27,7 +27,7 @@ FAILED=()
 TEST_PARAMS="$@"
 
 pushd "${WORKDIR}"
-while [ "$1" != "" ]; do  
+while [ "$1" != "" ]; do
   MODELNAME=$1; shift
   GRANULARITY=$1; shift
   DTYPE=$1; shift
@@ -50,7 +50,7 @@ while [ "$1" != "" ]; do
       --quantize_dequantize_weights float32 "${DTYPE}" "${GRANULARITY}" \
       --config "${SOURCE_PATH}/config_files/${MODELNAME}/${GRANULARITY}/${DTYPE}/qconf.json" \
       "${WORKDIR}/${MODELNAME}.circle" \
-      "${TEST_RESULT_FILE}.fake_quantized.mixed.circle" 
+      "${TEST_RESULT_FILE}.fake_quantized.mixed.circle"
 
     # Dump weights values (circle-tensordump)
     "${CIRCLE_TENSORDUMP_PATH}" \
diff --git a/compiler/pota-quantization-value-test/test_parallel_record_minmax.sh b/compiler/pota-quantization-value-test/test_parallel_record_minmax.sh
index 612215dc29c..39f04fa8bb5 100755
--- a/compiler/pota-quantization-value-test/test_parallel_record_minmax.sh
+++ b/compiler/pota-quantization-value-test/test_parallel_record_minmax.sh
@@ -8,7 +8,7 @@
 # test.config : set ${RECORD_MINMAX_PATH} and ${CIRCLE2CIRCLE_PATH}
 # work_dir : build directory of quantization-value-test (ex: build/compiler/quantization-value-test)
 
-SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 COMPARE_SCRIPT_PATH="${SOURCE_PATH}/compare_tensors_all.py"
 CONFIG_PATH="$1"; shift
 BIN_PATH=$(dirname "${CONFIG_PATH}")
diff --git a/compiler/pota-quantization-value-test/test_quantization.sh b/compiler/pota-quantization-value-test/test_quantization.sh
index 708bf292930..702994edd98 100755
--- a/compiler/pota-quantization-value-test/test_quantization.sh
+++ b/compiler/pota-quantization-value-test/test_quantization.sh
@@ -8,7 +8,7 @@
 # test.config : set ${RECORD_MINMAX_PATH} and ${CIRCLE_QUANTIZER_PATH}
 # work_dir : build directory of quantization-value-test (ex: build/compiler/quantization-value-test)
 
-SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 COMPARE_SCRIPT_PATH="${SOURCE_PATH}/compare_tensors_all.py"
 CONFIG_PATH="$1"; shift
 BIN_PATH=$(dirname "${CONFIG_PATH}")
@@ -28,7 +28,7 @@ FAILED=()
 TEST_PARAMS="$@"
 
 pushd "${WORKDIR}"
-while [ "$1" != "" ]; do  
+while [ "$1" != "" ]; do
   MODELNAME=$1; shift
   GRANULARITY=$1; shift
   DTYPE=$1; shift
@@ -50,7 +50,7 @@ while [ "$1" != "" ]; do
     "${CIRCLE_QUANTIZER_PATH}" \
       --quantize_with_minmax float32 "${DTYPE}" "${GRANULARITY}" \
       "${TEST_RESULT_FILE}.minmax_recorded.circle" \
-      "${TEST_RESULT_FILE}.quantized.circle" 
+      "${TEST_RESULT_FILE}.quantized.circle"
 
     # Dump scale, zp, weights values (circle-tensordump)
     "${CIRCLE_TENSORDUMP_PATH}" \
diff --git a/compiler/pota-quantization-value-test/test_quantization_with_config.sh b/compiler/pota-quantization-value-test/test_quantization_with_config.sh
index e56f0fdc028..5ade8e73643 100755
--- a/compiler/pota-quantization-value-test/test_quantization_with_config.sh
+++ b/compiler/pota-quantization-value-test/test_quantization_with_config.sh
@@ -8,7 +8,7 @@
 # test.config : set ${RECORD_MINMAX_PATH} and ${CIRCLE_QUANTIZER_PATH}
 # work_dir : build directory of quantization-value-test (ex: build/compiler/quantization-value-test)
 
-SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 COMPARE_SCRIPT_PATH="${SOURCE_PATH}/compare_tensors_all.py"
 CONFIG_PATH="$1"; shift
 BIN_PATH=$(dirname "${CONFIG_PATH}")
@@ -44,7 +44,7 @@ if [[ $? -ne 0 ]]; then
 fi
 
 pushd "${WORKDIR}"
-while [ "$1" != "" ]; do  
+while [ "$1" != "" ]; do
   MODELNAME=$1; shift
   GRANULARITY=$1; shift
   DTYPE=$1; shift
@@ -68,14 +68,14 @@ while [ "$1" != "" ]; do
     "${RECORD_MINMAX_PATH}" \
       --input_model "${TEST_RESULT_FILE}.fake_quantized.mixed.circle" \
       --input_data "${TEST_RESULT_FILE}.mixed.input.h5" \
-      --output_model "${TEST_RESULT_FILE}.minmax_recorded.mixed.circle" 
+      --output_model "${TEST_RESULT_FILE}.minmax_recorded.mixed.circle"
 
     # Run circle-quantizer with --quantize_with_minmax
     "${CIRCLE_QUANTIZER_PATH}" \
       --quantize_with_minmax float32 "${DTYPE}" "${GRANULARITY}" \
       --config "${SOURCE_PATH}/config_files/${MODELNAME}/${GRANULARITY}/${DTYPE}/qconf.json" \
       "${TEST_RESULT_FILE}.minmax_recorded.mixed.circle" \
-      "${TEST_RESULT_FILE}.quantized.mixed.circle" 
+      "${TEST_RESULT_FILE}.quantized.mixed.circle"
 
     # Dump scale, zp, weights values (circle-tensordump)
     "${CIRCLE_TENSORDUMP_PATH}" \
diff --git a/compiler/pota-quantization-value-test/test_record_minmax.sh b/compiler/pota-quantization-value-test/test_record_minmax.sh
index f4609b3cf02..57d71a2d900 100755
--- a/compiler/pota-quantization-value-test/test_record_minmax.sh
+++ b/compiler/pota-quantization-value-test/test_record_minmax.sh
@@ -8,7 +8,7 @@
 # test.config : set ${RECORD_MINMAX_PATH} and ${CIRCLE2CIRCLE_PATH}
 # work_dir : build directory of quantization-value-test (ex: build/compiler/quantization-value-test)
 
-SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 COMPARE_SCRIPT_PATH="${SOURCE_PATH}/compare_tensors_all.py"
 CONFIG_PATH="$1"; shift
 BIN_PATH=$(dirname "${CONFIG_PATH}")
@@ -42,7 +42,7 @@ if [[ $? -ne 0 ]]; then
 fi
 
 pushd "${WORKDIR}"
-while [ "$1" != "" ]; do  
+while [ "$1" != "" ]; do
   MODELNAME=$1; shift
   GRANULARITY=$1; shift
   DTYPE=$1; shift
@@ -64,7 +64,7 @@ while [ "$1" != "" ]; do
     "${RECORD_MINMAX_PATH}" \
       --input_model "${TEST_RESULT_FILE}.fake_quantized.circle" \
       --input_data "${TEST_RESULT_FILE}.input.h5" \
-      --output_model "${TEST_RESULT_FILE}.minmax_recorded.circle" 
+      --output_model "${TEST_RESULT_FILE}.minmax_recorded.circle"
 
     # Dump min/max values (circle-tensordump)
     "${CIRCLE_TENSORDUMP_PATH}" \
diff --git a/compiler/pota-quantization-value-test/test_wo_quantization.sh b/compiler/pota-quantization-value-test/test_wo_quantization.sh
index 2d5aa45a9ba..cacac6f7948 100755
--- a/compiler/pota-quantization-value-test/test_wo_quantization.sh
+++ b/compiler/pota-quantization-value-test/test_wo_quantization.sh
@@ -8,7 +8,7 @@
 # test.config : set ${CIRCLE_QUANTIZER_PATH} and ${CIRCLE_TENSORDUMP_PATH}"
 # work_dir : build directory of quantization-value-test (ex: build/compiler/quantization-value-test)
 
-SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 COMPARE_SCRIPT_PATH="${SOURCE_PATH}/compare_tensors_all.py"
 CONFIG_PATH="$1"; shift
 BIN_PATH=$(dirname "${CONFIG_PATH}")
diff --git a/compiler/q-implant-qparam-test/q_implant_qparam_test.sh b/compiler/q-implant-qparam-test/q_implant_qparam_test.sh
index fff4e60e318..f0374bdb8a8 100755
--- a/compiler/q-implant-qparam-test/q_implant_qparam_test.sh
+++ b/compiler/q-implant-qparam-test/q_implant_qparam_test.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-VERIFY_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+VERIFY_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 VERIFY_SCRIPT_PATH="${VERIFY_SOURCE_PATH}/q_implant_qparam_test.py"
 BINDIR="$1"; shift
 WORKDIR="$1"; shift
diff --git a/compiler/rawdata2hdf5/rawdata2hdf5 b/compiler/rawdata2hdf5/rawdata2hdf5
index 292666ff123..34ccd4336d3 100644
--- a/compiler/rawdata2hdf5/rawdata2hdf5
+++ b/compiler/rawdata2hdf5/rawdata2hdf5
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)" # '''
-''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                       # '''
-''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
-''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
-''''exit 255                                                                            # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" >/dev/null && pwd)" # '''
+''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                                  # '''
+''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                                # '''
+''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command."            # '''
+''''exit 255                                                                                       # '''
 
 # Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
 #
diff --git a/compiler/record-minmax-conversion-test/testall.sh b/compiler/record-minmax-conversion-test/testall.sh
index 71f186f018c..937332ee1d7 100755
--- a/compiler/record-minmax-conversion-test/testall.sh
+++ b/compiler/record-minmax-conversion-test/testall.sh
@@ -8,7 +8,7 @@
 # test.config : set ${RECORD_MINMAX_PATH}
 # work_dir : build directory of record-minmax-conversion-test (ex: build/compiler/record-minmax-conversion-test)
 
-GEN_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+GEN_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 GEN_SCRIPT_PATH="${GEN_SOURCE_PATH}/gen_h5_random_inputs_all.py"
 CONFIG_PATH="$1"; shift
 BIN_PATH=$(dirname "$CONFIG_PATH")
diff --git a/compiler/record-minmax-thread-safety-test/testall.sh b/compiler/record-minmax-thread-safety-test/testall.sh
index 4b47b3ebbec..94ec3e62e4b 100755
--- a/compiler/record-minmax-thread-safety-test/testall.sh
+++ b/compiler/record-minmax-thread-safety-test/testall.sh
@@ -8,7 +8,7 @@
 # test.config : set ${RECORD_MINMAX_PATH}
 # work_dir : build directory of record-minmax-thread-safety-test (ex: build/compiler/record-minmax-thread-safety-test)
 
-GEN_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+GEN_SOURCE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 GEN_SCRIPT_PATH="${GEN_SOURCE_PATH}/gen_h5_random_inputs.py"
 CONFIG_PATH="$1"; shift
 BIN_PATH=$(dirname "$CONFIG_PATH")
diff --git a/compiler/tf2circle-dredd-pb-test/runner.sh b/compiler/tf2circle-dredd-pb-test/runner.sh
index 7c7b123c4a2..4e17ee2530d 100755
--- a/compiler/tf2circle-dredd-pb-test/runner.sh
+++ b/compiler/tf2circle-dredd-pb-test/runner.sh
@@ -5,7 +5,7 @@
 # exit if unknown var is used
 set -u
 
-WORKDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+WORKDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)
 
 # Need at least toolchain.config
 if [[ $# -lt 1 ]]; then
diff --git a/compiler/tf2circle-dredd-pbtxt-test/runner.sh b/compiler/tf2circle-dredd-pbtxt-test/runner.sh
index 7c7b123c4a2..4e17ee2530d 100755
--- a/compiler/tf2circle-dredd-pbtxt-test/runner.sh
+++ b/compiler/tf2circle-dredd-pbtxt-test/runner.sh
@@ -5,7 +5,7 @@
 # exit if unknown var is used
 set -u
 
-WORKDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+WORKDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)
 
 # Need at least toolchain.config
 if [[ $# -lt 1 ]]; then
diff --git a/compiler/tf2circle-model-test/runner.sh b/compiler/tf2circle-model-test/runner.sh
index 9e3b75c263b..4a0f089e487 100755
--- a/compiler/tf2circle-model-test/runner.sh
+++ b/compiler/tf2circle-model-test/runner.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-WORKDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+WORKDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)
 
 # Need at least toolchain.config
 if [[ $# -lt 1 ]]; then
diff --git a/compiler/tf2nnpackage-value-remote-test/testall.sh b/compiler/tf2nnpackage-value-remote-test/testall.sh
index ca672a3ebdb..b898ebb1769 100755
--- a/compiler/tf2nnpackage-value-remote-test/testall.sh
+++ b/compiler/tf2nnpackage-value-remote-test/testall.sh
@@ -20,7 +20,7 @@ WORKDIR="$1"; shift
 REMOTE_IP="$1"; shift
 REMOTE_USER="$1"; shift
 
-BINDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+BINDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
 CURRENT_DATETIME=$(date +'%Y%m%d_%H%M%S')
 REMOTE_WORKDIR=${REMOTE_WORKDIR:-"CVT_${CURRENT_DATETIME}"}
 RESULT_CSV="${BINDIR}/Result_${CURRENT_DATETIME}.csv"
diff --git a/compiler/tf2tflite-dredd-pb-test/runner.sh b/compiler/tf2tflite-dredd-pb-test/runner.sh
index 4eef372b0d2..2628e6405d2 100755
--- a/compiler/tf2tflite-dredd-pb-test/runner.sh
+++ b/compiler/tf2tflite-dredd-pb-test/runner.sh
@@ -5,7 +5,7 @@
 # exit if unknown var is used
 set -u
 
-WORKDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+WORKDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)
 
 # Need at least toolchain.config
 if [[ $# -lt 1 ]]; then
diff --git a/compiler/tf2tflite-dredd-pbtxt-test/runner.sh b/compiler/tf2tflite-dredd-pbtxt-test/runner.sh
index 8575bc282e7..67354ab786d 100755
--- a/compiler/tf2tflite-dredd-pbtxt-test/runner.sh
+++ b/compiler/tf2tflite-dredd-pbtxt-test/runner.sh
@@ -5,7 +5,7 @@ set -u
 
 # This script checks tflite file generated by tf2tflite
 
-WORKDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+WORKDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)
 
 # Need at least toolchain.config
 if [[ $# -lt 1 ]]; then
diff --git a/compiler/tf2tflite-value-pb-test/runner.sh b/compiler/tf2tflite-value-pb-test/runner.sh
index faec12521c1..aac3a202410 100755
--- a/compiler/tf2tflite-value-pb-test/runner.sh
+++ b/compiler/tf2tflite-value-pb-test/runner.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-WORKDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+WORKDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)
 
 # Need at least toolchain.config
 if [[ $# -lt 1 ]]; then
diff --git a/compiler/tflite2circle-conversion-test/testall.sh b/compiler/tflite2circle-conversion-test/testall.sh
index 2290ee6dbe4..11de2bf7413 100755
--- a/compiler/tflite2circle-conversion-test/testall.sh
+++ b/compiler/tflite2circle-conversion-test/testall.sh
@@ -13,7 +13,7 @@ if [[ $# -lt 2 ]]; then
   exit 255
 fi
 
-BINDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+BINDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
 CONFIG_PATH="$1"; shift
 WORKDIR="$1"; shift
 
diff --git a/compiler/visq/visq b/compiler/visq/visq
index 649c87ed18c..23378a84964 100644
--- a/compiler/visq/visq
+++ b/compiler/visq/visq
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
-''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" && pwd)" # '''
-''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                       # '''
-''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                     # '''
-''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command." # '''
-''''exit 255                                                                            # '''
+''''export SCRIPT_PATH="$(cd "$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")" >/dev/null && pwd)" # '''
+''''export PY_PATH=${SCRIPT_PATH}/venv/bin/python                                                  # '''
+''''test -f ${PY_PATH} && exec ${PY_PATH} "$0" "$@"                                                # '''
+''''echo "Error: Virtual environment not found. Please run 'one-prepare-venv' command."            # '''
+''''exit 255                                                                                       # '''
 
 # Copyright (c) 2022 Samsung Electronics Co., Ltd. All Rights Reserved
 #
diff --git a/infra/packaging/build b/infra/packaging/build
index e095f9df3c6..67b8d977311 100644
--- a/infra/packaging/build
+++ b/infra/packaging/build
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 
 if [[ -z "${NNAS_PROJECT_PATH}" ]]; then
   echo "ERROR: NNAS_PROJECT_PATH is not specified"
diff --git a/infra/packaging/res/tf2nnpkg b/infra/packaging/res/tf2nnpkg
index c300eb85600..7708a1bfbc8 100644
--- a/infra/packaging/res/tf2nnpkg
+++ b/infra/packaging/res/tf2nnpkg
@@ -2,7 +2,7 @@
 
 set -e
 
-ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." >/dev/null && pwd)"
 
 command_exists() {
   if [ "$#" -le 0 ]; then
diff --git a/infra/packaging/res/tf2nnpkg.20191215 b/infra/packaging/res/tf2nnpkg.20191215
index d334a908df6..da5679d9fb1 100644
--- a/infra/packaging/res/tf2nnpkg.20191215
+++ b/infra/packaging/res/tf2nnpkg.20191215
@@ -2,7 +2,7 @@
 
 set -e
 
-ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." >/dev/null && pwd)"
 
 command_exists() {
   if [ "$#" -le 0 ]; then
diff --git a/infra/packaging/res/tf2nnpkg.20200220 b/infra/packaging/res/tf2nnpkg.20200220
index 0875bad2fd2..7a6b645212e 100644
--- a/infra/packaging/res/tf2nnpkg.20200220
+++ b/infra/packaging/res/tf2nnpkg.20200220
@@ -2,7 +2,7 @@
 
 set -e
 
-ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." >/dev/null && pwd)"
 
 command_exists() {
   if [ "$#" -le 0 ]; then
diff --git a/infra/packaging/res/tf2nnpkg.20200508 b/infra/packaging/res/tf2nnpkg.20200508
index a9923b4a4b1..029dead3a58 100644
--- a/infra/packaging/res/tf2nnpkg.20200508
+++ b/infra/packaging/res/tf2nnpkg.20200508
@@ -2,7 +2,7 @@
 
 set -e
 
-ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." >/dev/null && pwd)"
 
 command_exists() {
   if [ "$#" -le 0 ]; then
diff --git a/infra/packaging/res/tf2nnpkg.20200616 b/infra/packaging/res/tf2nnpkg.20200616
index 9f0957115d0..729bdace426 100644
--- a/infra/packaging/res/tf2nnpkg.20200616
+++ b/infra/packaging/res/tf2nnpkg.20200616
@@ -2,7 +2,7 @@
 
 set -e
 
-ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." >/dev/null && pwd)"
 
 command_exists() {
   if [ "$#" -le 0 ]; then
diff --git a/infra/packaging/res/tf2nnpkg.20200630 b/infra/packaging/res/tf2nnpkg.20200630
index b7091541a84..55c29c17a1c 100644
--- a/infra/packaging/res/tf2nnpkg.20200630
+++ b/infra/packaging/res/tf2nnpkg.20200630
@@ -2,7 +2,7 @@
 
 set -e
 
-ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." >/dev/null && pwd)"
 
 command_exists() {
   if [ "$#" -le 0 ]; then
diff --git a/infra/packaging/res/tf2nnpkg.20210406 b/infra/packaging/res/tf2nnpkg.20210406
index 0d44818a116..2a9f58dcaee 100644
--- a/infra/packaging/res/tf2nnpkg.20210406
+++ b/infra/packaging/res/tf2nnpkg.20210406
@@ -2,7 +2,7 @@
 
 set -e
 
-ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." >/dev/null && pwd)"
 
 command_exists() {
   if [ "$#" -le 0 ]; then
diff --git a/infra/packaging/res/tf2nnpkg.20210706 b/infra/packaging/res/tf2nnpkg.20210706
index 0d44818a116..2a9f58dcaee 100644
--- a/infra/packaging/res/tf2nnpkg.20210706
+++ b/infra/packaging/res/tf2nnpkg.20210706
@@ -2,7 +2,7 @@
 
 set -e
 
-ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." >/dev/null && pwd)"
 
 command_exists() {
   if [ "$#" -le 0 ]; then
diff --git a/infra/packaging/res/tf2nnpkg.20210910 b/infra/packaging/res/tf2nnpkg.20210910
index 0d44818a116..2a9f58dcaee 100644
--- a/infra/packaging/res/tf2nnpkg.20210910
+++ b/infra/packaging/res/tf2nnpkg.20210910
@@ -2,7 +2,7 @@
 
 set -e
 
-ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." >/dev/null && pwd)"
 
 command_exists() {
   if [ "$#" -le 0 ]; then
diff --git a/infra/packaging/res/tf2nnpkg.20220323 b/infra/packaging/res/tf2nnpkg.20220323
index 5f43b238673..062a8cad1a9 100644
--- a/infra/packaging/res/tf2nnpkg.20220323
+++ b/infra/packaging/res/tf2nnpkg.20220323
@@ -2,7 +2,7 @@
 
 set -e
 
-ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." >/dev/null && pwd)"
 
 command_exists() {
   if [ "$#" -le 0 ]; then
diff --git a/infra/packaging/res/tf2nnpkg.20221125 b/infra/packaging/res/tf2nnpkg.20221125
index a7446e6fe4b..3bdb64d6aba 100644
--- a/infra/packaging/res/tf2nnpkg.20221125
+++ b/infra/packaging/res/tf2nnpkg.20221125
@@ -2,7 +2,7 @@
 
 set -e
 
-ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." >/dev/null && pwd)"
 
 command_exists() {
   if [ "$#" -le 0 ]; then
diff --git a/infra/packaging/res/tf2nnpkg.20230413 b/infra/packaging/res/tf2nnpkg.20230413
index a7446e6fe4b..3bdb64d6aba 100644
--- a/infra/packaging/res/tf2nnpkg.20230413
+++ b/infra/packaging/res/tf2nnpkg.20230413
@@ -2,7 +2,7 @@
 
 set -e
 
-ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." >/dev/null && pwd)"
 
 command_exists() {
   if [ "$#" -le 0 ]; then
diff --git a/infra/packaging/res/tf2nnpkg.20230907 b/infra/packaging/res/tf2nnpkg.20230907
index a7446e6fe4b..3bdb64d6aba 100644
--- a/infra/packaging/res/tf2nnpkg.20230907
+++ b/infra/packaging/res/tf2nnpkg.20230907
@@ -2,7 +2,7 @@
 
 set -e
 
-ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." >/dev/null && pwd)"
 
 command_exists() {
   if [ "$#" -le 0 ]; then
diff --git a/infra/packaging/verify b/infra/packaging/verify
index 4d5e610af3b..95194022295 100644
--- a/infra/packaging/verify
+++ b/infra/packaging/verify
@@ -7,7 +7,7 @@
 #
 # REQUIRE: N >= 1
 #
-SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 
 if [[ -z "${NNAS_PROJECT_PATH}" ]]; then
   echo "ERROR: NNAS_PROJECT_PATH is not specified"
diff --git a/infra/scripts/common.sh b/infra/scripts/common.sh
index 0beaf6766b4..05e42becbb8 100755
--- a/infra/scripts/common.sh
+++ b/infra/scripts/common.sh
@@ -21,8 +21,8 @@
 # NNPackageTest $1 $2
 #   Run [INSTALL_PATH]/test/onert-test nnpkg-test command
 
-CURRENT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-ROOT_PATH="$(cd ${CURRENT_PATH}/../../ && pwd)"
+CURRENT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
+ROOT_PATH="$(cd ${CURRENT_PATH}/../../ >/dev/null && pwd)"
 
 # Install path on CI
 INSTALL_PATH=$ROOT_PATH/Product/out
diff --git a/infra/scripts/configure_collect_nnpkgs.sh b/infra/scripts/configure_collect_nnpkgs.sh
index 9040112f42d..1fe30699feb 100755
--- a/infra/scripts/configure_collect_nnpkgs.sh
+++ b/infra/scripts/configure_collect_nnpkgs.sh
@@ -4,7 +4,7 @@
 
 set -eo pipefail
 
-CURRENT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+CURRENT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 ROOT_PATH="$CURRENT_PATH/../../"
 
 source ${CURRENT_PATH}/compiler_modules.sh
diff --git a/infra/scripts/configure_compiler_coverage.sh b/infra/scripts/configure_compiler_coverage.sh
index e80c3e9c0e9..b3cecdc90d4 100755
--- a/infra/scripts/configure_compiler_coverage.sh
+++ b/infra/scripts/configure_compiler_coverage.sh
@@ -4,7 +4,7 @@
 
 set -eo pipefail
 
-CURRENT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+CURRENT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 ROOT_PATH="$CURRENT_PATH/../../"
 
 source ${CURRENT_PATH}/compiler_modules.sh
diff --git a/infra/scripts/tizen_xu4_test.sh b/infra/scripts/tizen_xu4_test.sh
index 5610756b7c5..cb064084f8a 100755
--- a/infra/scripts/tizen_xu4_test.sh
+++ b/infra/scripts/tizen_xu4_test.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-SCRIPT_ROOT="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+SCRIPT_ROOT="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
 HOST_HOME=$SCRIPT_ROOT/../..
 if [ -z "$TEST_ROOT" ]; then
     TEST_ROOT=/opt/usr/nnfw-test
@@ -127,7 +127,7 @@ SDB_CMD="sdb -s $SERIAL "
 $SDB_CMD root on
 $SDB_CMD shell mount -o rw,remount /
 
-SCRIPT_ROOT="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+SCRIPT_ROOT="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
 ROOT=$SCRIPT_ROOT/../
 
 if [ -z "$RPM_DIR" ] && [ -z "$TEST_SUITE_PATH" ]; then
diff --git a/infra/scripts/unittest_compiler_xml.sh b/infra/scripts/unittest_compiler_xml.sh
index 6e9e8ad7f93..bae83eee149 100755
--- a/infra/scripts/unittest_compiler_xml.sh
+++ b/infra/scripts/unittest_compiler_xml.sh
@@ -4,7 +4,7 @@
 
 set -eo pipefail
 
-CURRENT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+CURRENT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 ROOT_PATH="$CURRENT_PATH/../../"
 NNCC_WORKSPACE=${NNCC_WORKSPACE:-${ROOT_PATH}build}
 
diff --git a/nnas b/nnas
index 4445198fff0..7db2ae4436e 100755
--- a/nnas
+++ b/nnas
@@ -2,7 +2,7 @@
 
 NNAS_CONFIG_RPATH="infra/config"
 NNAS_COMMAND_RPATH="infra/command"
-NNAS_PROJECT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+NNAS_PROJECT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 
 function Usage()
 {
diff --git a/nncc b/nncc
index 23cfb5bd48c..0bd2a8df572 100755
--- a/nncc
+++ b/nncc
@@ -3,7 +3,7 @@
 NNCC_SCRIPT_RPATH="scripts"
 NNCC_COMMAND_RPATH="infra/nncc/command"
 
-NNCC_PROJECT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+NNCC_PROJECT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 NNCC_SCRIPT_PATH="${NNCC_PROJECT_PATH}/${NNCC_SCRIPT_RPATH}"
 
 function Usage()
diff --git a/nnfw b/nnfw
index 591fcd3a300..4b136edc4ae 100755
--- a/nnfw
+++ b/nnfw
@@ -3,7 +3,7 @@
 NNFW_SCRIPT_RPATH="runtime/infra"
 NNFW_COMMAND_RPATH="${NNFW_SCRIPT_RPATH}/command"
 
-NNFW_PROJECT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+NNFW_PROJECT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 NNFW_SCRIPT_PATH="${NNFW_PROJECT_PATH}/${NNFW_SCRIPT_RPATH}"
 
 function Usage()
diff --git a/res/TensorFlowTests/explain.sh b/res/TensorFlowTests/explain.sh
index 9d6903327da..ce475ac55c3 100755
--- a/res/TensorFlowTests/explain.sh
+++ b/res/TensorFlowTests/explain.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-TESTCASE_REPO="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+TESTCASE_REPO="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 
 ### Parse Command-line Arguments
 SHOW_PATH=0
diff --git a/runtime/contrib/android/gradlew b/runtime/contrib/android/gradlew
index 79a61d421cc..6587e125b63 100755
--- a/runtime/contrib/android/gradlew
+++ b/runtime/contrib/android/gradlew
@@ -83,7 +83,7 @@ done
 # This is normally unused
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
+APP_HOME=$( cd "${APP_HOME:-./}" >/dev/null && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
diff --git a/runtime/tests/nnapi/specs/generate_test.sh b/runtime/tests/nnapi/specs/generate_test.sh
index 08bae8454b9..1801bc3f8bb 100755
--- a/runtime/tests/nnapi/specs/generate_test.sh
+++ b/runtime/tests/nnapi/specs/generate_test.sh
@@ -36,7 +36,7 @@ Ex
 # generate_wrapper below for generating models and examples and updating the
 # test framework in one shot.
 
-spec_dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+spec_dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )
 export NNAPI_BASE=$(readlink -f "$spec_dir/../../..")
 : ${TEST_DIR:=tests/nnapi}
 : ${FORCE:=""}
@@ -171,4 +171,3 @@ if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
     exit $?
   fi
 fi # [[ "${BASH_SOURCE[0]}" == "${0}" ]]
-
diff --git a/runtime/tests/scripts/benchmark.sh b/runtime/tests/scripts/benchmark.sh
index 15fb64dedc7..1050c7253bd 100644
--- a/runtime/tests/scripts/benchmark.sh
+++ b/runtime/tests/scripts/benchmark.sh
@@ -26,7 +26,7 @@
 # 4. Result trace.json
 #  - trace.json is the result file
 
-SCRIPT_ROOT="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+SCRIPT_ROOT="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
 
 ## If no optional argument is passed, set for android
 TEST_ROOT=/data/local/tmp/
diff --git a/runtime/tests/scripts/benchmark_nnpkg.sh b/runtime/tests/scripts/benchmark_nnpkg.sh
index a180cd9b1c4..781c6747182 100755
--- a/runtime/tests/scripts/benchmark_nnpkg.sh
+++ b/runtime/tests/scripts/benchmark_nnpkg.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-MY_PATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+MY_PATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
 
 source $MY_PATH/common.sh
 
diff --git a/runtime/tests/scripts/benchmark_ops.sh b/runtime/tests/scripts/benchmark_ops.sh
index b1b3f69c26c..b8176723875 100755
--- a/runtime/tests/scripts/benchmark_ops.sh
+++ b/runtime/tests/scripts/benchmark_ops.sh
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-MY_PATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+MY_PATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
 
 source $MY_PATH/common.sh
 
diff --git a/runtime/tests/scripts/common.sh b/runtime/tests/scripts/common.sh
index b0c44aef3b8..38d0d19e1e0 100755
--- a/runtime/tests/scripts/common.sh
+++ b/runtime/tests/scripts/common.sh
@@ -14,8 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-MY_PATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-ROOT_PATH="$(cd ${MY_PATH}/../../ && pwd)"
+MY_PATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
+ROOT_PATH="$(cd ${MY_PATH}/../../ >/dev/null && pwd)"
 
 # Install path on CI
 INSTALL_PATH=$ROOT_PATH/Product/out
diff --git a/runtime/tests/scripts/common_android.sh b/runtime/tests/scripts/common_android.sh
index 66601aea313..73400b61bfa 100644
--- a/runtime/tests/scripts/common_android.sh
+++ b/runtime/tests/scripts/common_android.sh
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-MY_PATH="$( cd "$( dirname "$0" )" && pwd )"
+MY_PATH="$( cd "$( dirname "$0" )" >/dev/null && pwd )"
 
 SHELL_CMD=/system/bin/sh
 
diff --git a/runtime/tests/scripts/models/run_test.sh b/runtime/tests/scripts/models/run_test.sh
index 52ac8cd1090..00a3a63dca2 100755
--- a/runtime/tests/scripts/models/run_test.sh
+++ b/runtime/tests/scripts/models/run_test.sh
@@ -15,7 +15,7 @@
 # limitations under the License.
 
 
-MY_PATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+MY_PATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
 NNFW_HOME="$(dirname $(dirname $(dirname ${MY_PATH})))"
 CACHE_ROOT_PATH=$MY_PATH/"cache"
 TEST_ROOT_PATH=$MY_PATH/"tflite"
diff --git a/runtime/tests/scripts/models/run_test_android.sh b/runtime/tests/scripts/models/run_test_android.sh
index 74b5cdd4687..5f2aee57e71 100644
--- a/runtime/tests/scripts/models/run_test_android.sh
+++ b/runtime/tests/scripts/models/run_test_android.sh
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-MY_PATH="$( cd "$( dirname "$0" )" && pwd )"
+MY_PATH="$( cd "$( dirname "$0" )" >/dev/null && pwd )"
 NNFW_HOME="$(dirname $(dirname $(dirname ${MY_PATH})))"
 
 CACHE_ROOT_PATH=$MY_PATH/"cache"
diff --git a/runtime/tests/scripts/onert-test b/runtime/tests/scripts/onert-test
index f5ed4741958..90d7ccdf874 100644
--- a/runtime/tests/scripts/onert-test
+++ b/runtime/tests/scripts/onert-test
@@ -20,7 +20,7 @@
 # DRIVER_PATH: test driver and related resources forder
 # INSTALL_PATH: test package installed folder
 # CACHE_PATH: cache folder for test resource download
-DRIVER_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+DRIVER_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 INSTALL_PATH="$(dirname $DRIVER_PATH)"
 CACHE_PATH=$DRIVER_PATH/cache
 
diff --git a/runtime/tests/scripts/test_scheduler_with_profiling.sh b/runtime/tests/scripts/test_scheduler_with_profiling.sh
index 287f6b942f4..f96927909c2 100755
--- a/runtime/tests/scripts/test_scheduler_with_profiling.sh
+++ b/runtime/tests/scripts/test_scheduler_with_profiling.sh
@@ -2,7 +2,7 @@
 
 set -eo pipefail
 
-MY_PATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+MY_PATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
 source $MY_PATH/common.sh
 
 BACKEND_CNT=3
diff --git a/runtime/tests/scripts/test_scheduler_with_profiling_android.sh b/runtime/tests/scripts/test_scheduler_with_profiling_android.sh
index 62557e21d89..f08d3974ef8 100644
--- a/runtime/tests/scripts/test_scheduler_with_profiling_android.sh
+++ b/runtime/tests/scripts/test_scheduler_with_profiling_android.sh
@@ -40,7 +40,7 @@
 #    sh /data/local/tmp/tests/scripts/test_scheduler_with_profiling_android.sh
 #
 
-MY_PATH="$( cd "$( dirname "$0" )" && pwd )"
+MY_PATH="$( cd "$( dirname "$0" )" >/dev/null && pwd )"
 
 SHELL_CMD=/system/bin/sh
 
@@ -50,7 +50,7 @@ BACKEND_CNT=3
 # Run profiler BACKEND_CNT+1 times: on each run of the first BACKEND_CNT runs it will
 #     collect metrics for one unmeasured backend. On the last run metrics for data transfer
 PROFILING_RUN_CNT=$((BACKEND_CNT+1))
-TEST_DRIVER_DIR="$( cd "$( dirname "$0" )" && pwd )"
+TEST_DRIVER_DIR="$( cd "$( dirname "$0" )" >/dev/null && pwd )"
 
 ARTIFACT_PATH="$TEST_DRIVER_DIR/../.."
 BENCHMARK_DRIVER_BIN=$ARTIFACT_PATH/Product/out/bin/tflite_run
diff --git a/tools/cross/install_android_sdk.sh b/tools/cross/install_android_sdk.sh
index 9b780a5089a..04924b55678 100755
--- a/tools/cross/install_android_sdk.sh
+++ b/tools/cross/install_android_sdk.sh
@@ -15,7 +15,7 @@
 # limitations under the License.
 
 # Setup Android Cross-Build Environment (ANDROID SDK)
-SCRIPT_HOME=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd ) # absolute path to directory where script is
+SCRIPT_HOME=$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd ) # absolute path to directory where script is
 INSTALL_PATH=$SCRIPT_HOME/android_sdk # path to directory where android sdk will be installed
 PLATFORMS_PACKAGE_VERSION="29" # version of platfroms package which will be installed
 BUILD_TOOLS_PACKAGE_VERSION="29.0.3" # version of build-tools package which will be installed
diff --git a/tools/cross/install_rootfs.sh b/tools/cross/install_rootfs.sh
index 8ed2c145c19..1b121b44c4f 100755
--- a/tools/cross/install_rootfs.sh
+++ b/tools/cross/install_rootfs.sh
@@ -14,7 +14,7 @@ usage()
     exit 1
 }
 
-__CrossDir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+__CrossDir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )
 __InitialDir=$PWD
 __UbuntuRepo="http://ports.ubuntu.com/"
 
diff --git a/tools/extract_weights_from_tflite/extract_from_tflite.sh b/tools/extract_weights_from_tflite/extract_from_tflite.sh
index 7bc870bec4a..ed5bc17f759 100755
--- a/tools/extract_weights_from_tflite/extract_from_tflite.sh
+++ b/tools/extract_weights_from_tflite/extract_from_tflite.sh
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-SCRIPT_PATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+SCRIPT_PATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
 ROOT_PATH=$SCRIPT_PATH/../..
 FLATC=$ROOT_PATH/Product/out/bin/flatc
 
diff --git a/tools/nnpackage_tool/nncc-tc-to-nnpkg-tc/nncc-tc-to-nnpkg-tc.sh b/tools/nnpackage_tool/nncc-tc-to-nnpkg-tc/nncc-tc-to-nnpkg-tc.sh
index 4edb4ceaeef..249d65c347d 100755
--- a/tools/nnpackage_tool/nncc-tc-to-nnpkg-tc/nncc-tc-to-nnpkg-tc.sh
+++ b/tools/nnpackage_tool/nncc-tc-to-nnpkg-tc/nncc-tc-to-nnpkg-tc.sh
@@ -3,7 +3,7 @@
 set -eu
 
 progname=$(basename "${BASH_SOURCE[0]}")
-script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
 model2nnpkg=${model2nnpkg:-"$script_dir"/../model2nnpkg/model2nnpkg.py}
 # Need to install nncc package & set path to tf2nnpkg
 tf2nnpkg=$(which tf2nnpkg)
@@ -91,4 +91,3 @@ mkdir -p "$destdir"
 for ext in $extensions; do
   cp "$indir/$tcname.$ext" "$destdir/$ext"
 done;
-
diff --git a/tools/nnpackage_tool/sth2nnpkgtc/pb2nnpkgtc.sh b/tools/nnpackage_tool/sth2nnpkgtc/pb2nnpkgtc.sh
index bc7b0b974e0..a765aeae28e 100755
--- a/tools/nnpackage_tool/sth2nnpkgtc/pb2nnpkgtc.sh
+++ b/tools/nnpackage_tool/sth2nnpkgtc/pb2nnpkgtc.sh
@@ -3,8 +3,8 @@
 set -u
 
 progname=$(basename "${BASH_SOURCE[0]}")
-script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-nnfw_root="$( cd "${script_dir%*/*/*/*}" && pwd )"
+script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
+nnfw_root="$( cd "${script_dir%*/*/*/*}" >/dev/null && pwd )"
 outdir="."
 
 # set path to tools and resources
diff --git a/tools/nnpackage_tool/sth2nnpkgtc/tflite2nnpkgtc.sh b/tools/nnpackage_tool/sth2nnpkgtc/tflite2nnpkgtc.sh
index 1f0569b7406..6953ae04904 100755
--- a/tools/nnpackage_tool/sth2nnpkgtc/tflite2nnpkgtc.sh
+++ b/tools/nnpackage_tool/sth2nnpkgtc/tflite2nnpkgtc.sh
@@ -3,8 +3,8 @@
 set -u
 
 progname=$(basename "${BASH_SOURCE[0]}")
-script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-nnfw_root="$( cd "${script_dir%*/*/*/*}" && pwd )"
+script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
+nnfw_root="$( cd "${script_dir%*/*/*/*}" >/dev/null && pwd )"
 outdir="."
 
 usage() {
diff --git a/tools/release_tool/onert_version.sh b/tools/release_tool/onert_version.sh
index 7b167439b0e..3f727a67b0f 100755
--- a/tools/release_tool/onert_version.sh
+++ b/tools/release_tool/onert_version.sh
@@ -3,8 +3,8 @@
 set -eu
 
 progname=$(basename "${BASH_SOURCE[0]}")
-script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-nnfw_root="$( cd "${script_dir%*/*/*}" && pwd )"
+script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
+nnfw_root="$( cd "${script_dir%*/*/*}" >/dev/null && pwd )"
 nightly=1
 
 usage() {
diff --git a/tools/tflkit/freeze_graph.sh b/tools/tflkit/freeze_graph.sh
index ae771cf80a9..c30832548c3 100755
--- a/tools/tflkit/freeze_graph.sh
+++ b/tools/tflkit/freeze_graph.sh
@@ -7,7 +7,7 @@ usage()
   echo "       [--tensorflow_path=TensorFlow path] (If omitted, the module installed in system will be used by default.)"
 }
 
-SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 
 for i in "$@"
 do
diff --git a/tools/tflkit/optimize_for_inference.sh b/tools/tflkit/optimize_for_inference.sh
index ef6e5291205..c8b1bfa77a3 100755
--- a/tools/tflkit/optimize_for_inference.sh
+++ b/tools/tflkit/optimize_for_inference.sh
@@ -7,7 +7,7 @@ usage()
   echo "       --tensorflow_path=TensorFlow path (Use externals/tensorflow by default)"
 }
 
-SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 
 TF_DIR="${SCRIPT_PATH}/../../externals/tensorflow"
 
diff --git a/tools/tflkit/summarize_tflite.sh b/tools/tflkit/summarize_tflite.sh
index e15550b0744..7f01a72d4f8 100755
--- a/tools/tflkit/summarize_tflite.sh
+++ b/tools/tflkit/summarize_tflite.sh
@@ -1,4 +1,4 @@
 #!/bin/bash
 
-SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 python "${SCRIPT_PATH}/../tflitefile_tool/model_parser.py" ${@}
diff --git a/tools/tflkit/tflite_convert.sh b/tools/tflkit/tflite_convert.sh
index f5b94ede0b5..2b9804510e8 100755
--- a/tools/tflkit/tflite_convert.sh
+++ b/tools/tflkit/tflite_convert.sh
@@ -7,7 +7,7 @@ usage()
   echo "       [ --tensorflow_path=<path> --tensorflow_version=<version> ] (If omitted, the module installed in system will be used by default.)"
 }
 
-SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 
 for i in "$@"
 do
diff --git a/tools/tflkit/transform_graph.sh b/tools/tflkit/transform_graph.sh
index 828a36300cf..8305b0a6418 100755
--- a/tools/tflkit/transform_graph.sh
+++ b/tools/tflkit/transform_graph.sh
@@ -7,7 +7,7 @@ usage()
   echo "       --tensorflow_path=TensorFlow path (Use externals/tensorflow by default)"
 }
 
-SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SCRIPT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
 
 TF_DIR="${SCRIPT_PATH}/../../externals/tensorflow"