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id(1)									 id(1)

Name
       id - print user and group ID and names

Syntax
       id [ -gnru ]

Description
       The command writes a message on the standard output giving the user and
       group ID and the corresponding names of the invoking process.   If  the
       effective and real IDs do not match, both are printed.

       If  multiple groups are supported by the underlying system, the supple‐
       mentary group affiliations of the invoking process are also written.

       When no options are specified, the standard format of  output  produced
       by  is  uid=%d(%s) gid=%d(%s), <real user id>, <user-name>, <real group
       id>, <group-name>

Options
       -g     Outputs only the group ID. The default format is %d\n.  This may
	      be modified by the -n option. The default group ID is the effec‐
	      tive group ID; this may be modified by the -r option.

       -n     Outputs the name in the format %s\n instead of  the  numeric  ID
	      when the -u or -g options are used.

       -r     Outputs  the  real ID instead of the effective ID when the -u or
	      -g options are used.  There is no option to produce  a  list  of
	      supplementary group IDs alone.

       -u     Outputs  only  the  user ID. The default output format is %d0fP.
	      This may be modified with the -n option. The default user ID  is
	      the effective user ID; this may be modified by the -r option.

See Also
       logname(1), getuid(2)

									 id(1)

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