GROUP(5)                COMMAND REFERENCE                GROUP(5)



NAME
     group - group file

DESCRIPTION
     The group file contains information for each group in the
     form:

          group name
          encrypted password
          numerical group ID
          a comma-separated list of all users allowed in the
          group

     This is an ASCII file.  Fields are separated by colons; each
     group is separated from the next by a new-line.  If the
     password field is null, no password is demanded.

     Residing in directory /etc, group, because of its encrypted
     passwords, can and does have general read permission and can
     be used, for example, to map numerical group ID's to names.

     A group file can have a line beginning with a plus (+),
     which means to incorporate entries from the Yellow Pages.
     There are two styles of + entries:

          +       insert the entire contents of the Yellow Pages
                  group file

          +name   insert the entry (if any) for name from the
                  Yellow Pages

     If a + entry has a non-null password or group member field,
     the contents of that field override what is contained in the
     Yellow Pages.  The numerical group ID field cannot be
     overridden.

EXAMPLES
          +myproject:::bill, steve
          +:

     If these entries appear at the end of a group file the group
     myproject will have members bill and steve, and the password
     and group ID of the Yellow Pages entry for the group
     myproject.  All groups listed in the Yellow Pages will be
     pulled in and placed after the entry for myproject.

FILES
     /etc/group
     /etc/yp/group

CAVEATS
     The passwd(1) command won't change group passwords.



Printed 3/13/89                                                 1

GROUP(5)                COMMAND REFERENCE                GROUP(5)



SEE ALSO
     passwd(1), setgroups(2), crypt(3), initgroups(3), and
     passwd(5).




















































Printed 3/13/89                                                 2

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