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 © 2016 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 '(coreutils) id invocation'