ID linux command manual
ID(1) User Commands ID(1)
id - print real and effective UIDs and GIDs
id [OPTION]... [USERNAME]
Print information for USERNAME, or the current user.
-a ignore, for compatibility with other versions
print only the security context
print only the effective group ID
print all group IDs
print a name instead of a number, for -ugG
print the real ID instead of the effective ID, with -ugG
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 bugs to .
Copyright (C) 2004 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-
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
should give you access to the complete manual.
id (coreutils) 5.2.1 March 2004 ID(1)