diff --git a/bash/release/gsync b/bash/release/gsync
index 5928002..70a5a4e 100755
--- a/bash/release/gsync
+++ b/bash/release/gsync
@@ -984,6 +984,8 @@ main() {
         { . "${UTILS_FOLDER}"/common-utils.bash; } || { printf "Error: Unable to source util files.\n" && exit 1; }
     }
 
+    trap '' TSTP # ignore ctrl + z
+
     _setup_arguments "${@}"
     _check_debug
     _config_variables
diff --git a/bash/release/gupload b/bash/release/gupload
index 7937bc3..0be088e 100755
--- a/bash/release/gupload
+++ b/bash/release/gupload
@@ -1708,6 +1708,7 @@ main() {
 
     trap 'abnormal_exit="1"; exit' INT TERM
     trap '_cleanup' EXIT
+    trap '' TSTP # ignore ctrl + z
 
     export MAIN_PID="$$"
 
diff --git a/bash/sync.bash b/bash/sync.bash
index d937b3a..30188f1 100755
--- a/bash/sync.bash
+++ b/bash/sync.bash
@@ -631,6 +631,8 @@ main() {
         { . "${UTILS_FOLDER}"/common-utils.bash; } || { printf "Error: Unable to source util files.\n" && exit 1; }
     }
 
+    trap '' TSTP # ignore ctrl + z
+
     _setup_arguments "${@}"
     _check_debug
     _config_variables
diff --git a/bash/upload.bash b/bash/upload.bash
index 072d447..a24fcdb 100755
--- a/bash/upload.bash
+++ b/bash/upload.bash
@@ -775,6 +775,7 @@ main() {
 
     trap 'abnormal_exit="1"; exit' INT TERM
     trap '_cleanup' EXIT
+    trap '' TSTP # ignore ctrl + z
 
     export MAIN_PID="$$"
 
diff --git a/install.sh b/install.sh
index 2513785..0e2a262 100755
--- a/install.sh
+++ b/install.sh
@@ -709,6 +709,8 @@ main() {
         fi
     }
 
+    trap '' TSTP # ignore ctrl + z
+
     if [ -n "${UNINSTALL}" ]; then
         { _check_existing_command && _uninstall; } ||
             { "${QUIET:-_print_center}" "justify" "google-drive-upload is not installed." "="; }
diff --git a/sh/release/gsync b/sh/release/gsync
index f901115..e0bb101 100755
--- a/sh/release/gsync
+++ b/sh/release/gsync
@@ -1004,6 +1004,8 @@ main() {
         eval "${SOURCE_UTILS}" || { printf "Error: Unable to source util files.\n" && exit 1; }
     fi
 
+    trap '' TSTP # ignore ctrl + z
+
     _setup_arguments "${@}"
     _check_debug
     _config_variables
diff --git a/sh/release/gupload b/sh/release/gupload
index 5e5e04b..98b425c 100755
--- a/sh/release/gupload
+++ b/sh/release/gupload
@@ -1719,6 +1719,7 @@ main() {
 
     trap 'abnormal_exit="1" ; exit' INT TERM
     trap '_cleanup' EXIT
+    trap '' TSTP # ignore ctrl + z
 
     export MAIN_PID="$$"
 
diff --git a/sh/sync.sh b/sh/sync.sh
index b709e9e..4720d2b 100755
--- a/sh/sync.sh
+++ b/sh/sync.sh
@@ -673,6 +673,8 @@ main() {
         eval "${SOURCE_UTILS}" || { printf "Error: Unable to source util files.\n" && exit 1; }
     fi
 
+    trap '' TSTP # ignore ctrl + z
+
     _setup_arguments "${@}"
     _check_debug
     _config_variables
diff --git a/sh/upload.sh b/sh/upload.sh
index 4388f7f..3c32832 100755
--- a/sh/upload.sh
+++ b/sh/upload.sh
@@ -801,6 +801,7 @@ main() {
 
     trap 'abnormal_exit="1" ; exit' INT TERM
     trap '_cleanup' EXIT
+    trap '' TSTP # ignore ctrl + z
 
     export MAIN_PID="$$"