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id - print user identity




Print information for USERNAME, or the current user.

ignore, for compatibility with other versions

-Z, --context
print only the security context

-g, --group
print only the effective group ID

-G, --groups
print all group IDs

-n, --name
print a name instead of a number, for -ugG

-r, --real
print the real ID instead of the effective ID, with -ugG

-u, --user
print only the effective user ID

--help display this help and exit

output version information and exit

Without any OPTION, print some useful set of identified information.


Written by Arnold Robbins and David MacKenzie.

Reporting Bugs

Report bugs to <>.


Copyright (C) 2006 Free Software Foundation, Inc. This is free software. You may redistribute copies of it under the terms of the GNU General Public License <>. There is NO WARRANTY, to the extent permitted by law.

See Also

The full documentation for id is maintained as a Texinfo manual. If the info and id programs are properly installed at your site, the command

info id

should give you access to the complete manual.

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