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 © 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 PARTICULAR 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 command

info coreutils id

should give you access to the complete manual.