redhat man page for id

ID(1)									FSF								     ID(1)

NAME
       id - print real and effective UIDs and GIDs

SYNOPSIS
       id [OPTION]... [USERNAME]

DESCRIPTION
       Print information for USERNAME, or the current user.

       -a     ignore, for compatibility with other versions

       -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

       --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
       Report bugs to <bug-coreutils@gnu.org>.

COPYRIGHT
       Copyright (C) 2002 Free Software Foundation, Inc.
       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

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 com-
       mand

	      info id

       should give you access to the complete manual.

id (coreutils) 4.5.3						   February 2003							     ID(1)