pwck, grpck - password/group file checkers
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 verifica-
tion 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.
All messages regarding inconsistent entries are placed on
the stderr stream.
See attributes(5) for descriptions of the following attri-
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
| Availability | SUNWcsu |
getpwent(3C), group(4), passwd(4), attributes(5)
Group entries in /etc/group with no login names are flagged.
Group file 'filename' is empty
The /etc/passwd or /etc/group file is an empty file.
cannot open file filename: No such file or directory
The /etc/passwd or /etc/group file does not exist.
If no filename argument is given, grpck checks the local
group file, /etc/group, and also makes sure that all login
names encountered in the checked group file are known to the
system getpwent(3C) routine. This means that the login
names may be supplied by a network name service.
Man(1) output converted with