grpck(ADM) 19 June 1992 grpck(ADM) Name grpck - check group file Syntax grpck [ file ] Description grpck verifies all entries in the group file. This verification includes a check of the number of fields, group name, group ID, and whether all login names appear in the password file. The default group file is /etc/group . Files /etc/group /etc/passwd See also group(F), passwd(FP), pwck(ADM) Diagnostics Group entries in /etc/group with no login names are flagged. Value added grpck is an extension of AT&T System V provided by The Santa Cruz Opera- tion, Inc.