Command Line Interface (CLI)
umask
Sets default file permissions.
Ubuntu
CentOS
Debian
Arch
SUSE
Slackware
Alpine
Fedora
Verified: 2025-09-09
Syntax
$umask [OPTIONEN] [MASK]
Examples
$umask 022
$umask -S
Typical use cases
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Standard usage
umask --help
Note
Built-in shell command
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