pwck(1M)        UNIX System V(System Administration Utilities)         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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