What does the letter 'u' mean in umask?

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history umask terminology historical-unix

                          Is it "user mask" or something?

[Wikipedia](https://en.wikipedia.org/wiki/Umask)  does not have details, but says the feature has been in Unix since 1978.

POSIX just says it is the "file mode creation mask".

Asked by Lassi (891 rep)

Apr 29, 2020, 09:39 AM
Last activity: Sep 8, 2022, 08:03 PM

What does the letter 'u' mean in umask?

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