groups(1)						      General Commands Manual							 groups(1)

NAME

       groups - show group memberships

SYNOPSIS

       [user]

DESCRIPTION

       shows the groups to which the caller or the optionally specified user belong.  If invoked with no arguments, prints the current access list
       returned by (see getgroups(2)).

       Each user belongs to a group specified in the password file and possibly to other groups as specified in the files and A  user  is  granted
       the  permissions  of  those  groups specified in and at login time.  The permissions of the groups specified in are normally available only
       with the use of (see newgrp(1)).  If a user name is specified with no options, prints the union of all these groups.

       The and options limit the printed list to those groups specified in and respectively.  If a user name is not specified with  any  of  these
       options, is called to determine the default user name (see cuserid(3S)).

       The printed list of groups is sorted in ascending collation order (see Environment Variables below).

EXTERNAL INFLUENCES

   Environment Variables
       determines the order in which the output is sorted.

       If  is not specified in the environment or is set to the empty string, the value of is used as a default.  If is not specified or is set to
       the empty string, a default of ``C'' (see lang(5)) is used instead of If any internationalization variable  contains  an  invalid  setting,
       behaves as if all internationalization variables are set to ``C'' (see environ(5)).

EXAMPLES

       Check file and display all groups to which user belongs:

AUTHOR

       was developed by the University of California, Berkeley.

FILES

SEE ALSO

       id(1), newgrp(1), getgroups(2), initgroups(3C), cuserid(3S), group(4).

																	 groups(1)