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Linux in a Nutshell, Fourth Edition by Aaron Weber, Stephen Figgins, Ellen Siever

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Name

umask

Synopsis

                  umask [options] [nnn]

Display file creation mask or set file creation mask to octal value nnn. The file creation mask determines which permission bits are turned off (e.g., umask 002 produces rw-rw-r--).

Options

-p

Display mask within a umask command so that a caller can read and execute it.

-S

Display umask symbolically rather than in octal.

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