## NAME

id - print real and effective user and group IDs

## SYNOPSIS

id [OPTION]... [USER]

## DESCRIPTION

Print user and group information for the specified USER, or (when USER omitted) for the current user.

-a ignore, for compatibility with other versions

-Z, --context print only the security context of the process

-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

-z, --zero delimit entries with NUL characters, not whitespace;

not permitted in default format

--help display this help and exit

--version output version information and exit

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

## AUTHOR

Written by Arnold Robbins and David MacKenzie.

## REPORTING BUGS

GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Report id translation bugs to <http://translationproject.org/team/>

## COPYRIGHT

Copyright © 2014 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

## SEE ALSO

Full documentation at: <http://www.gnu.org/software/coreutils/id>
or available locally via: info (aq(coreutils) id invocation(aq