id(1M)									id(1M)

NAME    [Toc]    [Back]

     id	- print	the user name and ID, and group	name and ID

SYNOPSIS    [Toc]    [Back]

     id	[-aM]
     id	-G [-n]	[user]
     id	-g [-nr] [user]
     id	-u [-nr] [user]

DESCRIPTION    [Toc]    [Back]

     id	displays the calling process's ID and name.  It	also displays the
     group ID and name.	 If the	real and effective IDs do not match, both are
     printed.

     user The login name for which the information is to be reported.

     -a	  Report all the groups	to which the invoking process belongs.

     -g	  Reports only the effective group ID, using the format	"%u\n".

     -G	  Reports all different	group IDs (effective, real and supplementary),
	  using	the format "%u\n".  If there is	more than one distinct group
	  affiliation, output each such	affiliation, using the format "%u\n",
	  before the newline character is output.

     -M	  If mandatory access control (MAC) is enabled the -M option reports
	  the MAC label	at which the invoking process is running.  If MAC is
	  not enabled the option is ignored.

     -P	  Reports the capability set of	the invoking process.

     -n	  Reports the name in the format "%s" instead of the numeric ID	using
	  the format "%u".

     -r	  Reports the real ID instead of the effective ID.

     -u	  Reports the effective	user ID, using the format "%u\n".

FILES    [Toc]    [Back]

     /etc/passwd		 system	password file
     /etc/group			 system	group file
     /etc/mac			 MAC label definition file

SEE ALSO    [Toc]    [Back]

     logname(1), multgrps(1), newgrp(1), getgroups(2), getuid(2),
     setgroups(2), initgroups(3C).


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