ID(1) User Commands ID(1)
id - print real and effective user and group IDs
id [OPTION]... [USER]
Print user and group information for the specified USER, or (when USER omitted) for the current user.
-a ignore, for compatibility with other versions
print only the security context of the current user
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
delimit entries with NUL characters, not whitespace;
not permitted in default format
--help display this help and exit
output version information and exit
Without any OPTION, print some useful set of identified information.
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report id translation bugs to <http://translationproject.org/team/>
Written by Arnold Robbins and David MacKenzie.
Copyright (C) 2013 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.
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 8.22 June 2014 ID(1)