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umask
Shell
umask
Sets default file permissions.
Ubuntu
CentOS
Debian
Arch
SUSE
Slackware
Alpine
Fedora
Last updated:
2026-07-05
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Syntax
Copy
$
umask [OPTIONS] [MASK]
Examples
Examples
$
umask 022
Examples
$
umask -S
Typical use cases
Standard usage
umask --help
Detailed Help
man umask
Note
Built-in Shell command
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