Shell
umask
Sets default file permissions.
Ubuntu
CentOS
Debian
Arch
SUSE
Slackware
Alpine
Fedora
Verified: 2025-09-09
Syntax
$umask [OPTIONS] [MASK]
Examples
$umask 022
$umask -S
Typical use cases
?
Standard usage
umask --help
Note
Built-in Shell command
Export