groups(1)                                                         groups(1)

NAME
     groups - print group membership of user

SYNOPSIS
     groups [loginname]

DESCRIPTION
     groups lists the groups to which a user belongs on standard output.

OPERANDS
     loginname
          Login name of the user whose group membership is to be checked.
          The groups to which the specified user belongs are listed on
          standard output.

          loginname not specified:

          The groups of the user logged in at the terminal are displayed.

LOCALE
     The LCMESSAGES environment variable governs the language in which
     message texts are displayed. If LCMESSAGES is undefined or is defined
     as the null string, it defaults to the value of LANG. If LANG is like-
     wise undefined or null, the system acts as if it were not internation-
     alized.

     The LCALL environment variable governs the entire locale. LCALL
     takes precedence over all the other environment variables which affect
     internationalization.

EXAMPLES
   Example 1

     User John wishes to check his own user group:

     $ groups
     group1


















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groups(1)                                                         groups(1)

   Example 2

     To check the group his colleague Anne belongs to, John must enter her
     login name.

     $ groups anne
     group2

FILES
     /etc/passwd
          The /etc/passwd file contains the login name and the group ID of
          each user.

     /etc/group
          The /etc/group file contains a list of all user groups that have
          been set up. Each user belongs to the group specified in
          /etc/passwd and possibly to other groups as specified in
          /etc/group.

SEE ALSO
     group(4), passwd(4).

































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