pwck(1M)                                                           pwck(1M)


   NAME
         pwck, grpck - password/group file checkers

   SYNOPSIS
         /usr/sbin/pwck [file]
         /usr/sbin/grpck [file]

   DESCRIPTION
         pwck scans the password file and notes any inconsistencies.  The
         checks include validation of the number of fields, login name, user
         ID, group ID, and whether the login directory and the program-to-
         use-as-shell exist.  The default password file is /etc/passwd.

         grpck verifies all entries in the group file. This verification
         includes a check of the number of fields, group name, group ID,
         whether any login names belong to more than NGROUPS_MAX groups and
         that all login names appear in the password file. The default group
         file is /etc/group.

   FILES
         /etc/group
         /etc/passwd

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

   DIAGNOSTICS
         Group entries in /etc/group with no login names are flagged.

























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