ID(1)                            User Commands                           ID(1)

       id - print real and effective user and group IDs

       id [OPTION]... [USERNAME]

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

       -a     ignore, for compatibility with other versions

       -Z, --context
              print only the security context of the current user

       -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.

       Report id bugs to
       GNU coreutils home page: 
       General help using GNU software: 

       Copyright © 2009 Free Software Foundation, Inc.   License  GPLv3+:  GNU
       GPL version 3 or later .
       This  is  free  software:  you  are free to change and redistribute it.
       There is NO WARRANTY, to the extent permitted by law.

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

              info coreutils 'id invocation'

       should give you access to the complete manual.

GNU coreutils 7.4               September 2010                           ID(1)