diff --git a/Tools/environment_install/APM_install.sh b/Tools/environment_install/APM_install.sh old mode 100644 new mode 100755 diff --git a/Tools/environment_install/install-prereqs-arch.sh b/Tools/environment_install/install-prereqs-arch.sh old mode 100644 new mode 100755 diff --git a/Tools/environment_install/install-prereqs-mac.sh b/Tools/environment_install/install-prereqs-mac.sh old mode 100644 new mode 100755 diff --git a/Tools/environment_install/install-prereqs-ubuntu.sh b/Tools/environment_install/install-prereqs-ubuntu.sh old mode 100644 new mode 100755