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newgrp(C)

passwd(C)

passwd(F)



     GROUP(F)                 XENIX System V                  GROUP(F)



     Name
          group - Format of the group file.

     Description
          group contains the following information for each group:

          - Group name

          - Encrypted password (optional)

          - Numerical group ID

          - Comma-separated list of all users allowed in the group

          This is an ASCII file.  The fields are separated by colons;
          each group is separated from the next by a newline.  Here is
          an example file:

               root:x:0:root
               cron:x:1:cron
               bin:x:3:bin,lp
               uucp:x:4:uucp
               asg:x:6:asg
               sysinfo:x:10:uucp
               network:x:12:network
               lusers::100:sam,zursch,landy
               cpo:CyTvnlPXjOp:50:forbin,kuprin,cleom


          An x in the password field represents an unmatchable
          password; these groups are not normally joined.  If the
          password field is empty, no password is demanded by the
          newgrp(C) command.

          You can add a group password by creating a dummy user
          account and putting the encrypted password into the
          /etc/group file.  (Be sure and remove the dummy account
          after you are finished.)

          This file resides in directory /etc.  Because of the
          encrypted passwords, it can and does have general read
          permission and can be used, for example, to map numerical
          group IDs to names.

     Files
          /etc/group

     See Also
          newgrp(C), passwd(C), passwd(F)






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