Umask - Permission Mask Utility#

Set the file mode creation mask which determines default permissions for newly created files and directories. The mask subtracts permissions from the default 666 (files) or 777 (directories).

Usage#

bash

umask-tool [options] [mask]

Examples#

bash

# Show current mask
umask-tool

# Set restrictive mask (files: 600, dirs: 700)
umask-tool 077

# Set permissive mask (files: 644, dirs: 755)
umask-tool 022