grpck(1B) (man pages section 1: User Commands)

man pages section 1: User Commands

grpck(1B)

grpck– check group database entries

/etc/grpck [filename]

The grpck utility checks that a file in group(4) does not contain any errors; it checks the /etc/group file by default.

/etc/group

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE	ATTRIBUTE VALUE
Availability	SUNWcsu

Too many/few fields: An entry in the group file does not have the proper number of fields.
No group name: The group name field of an entry is empty.
Bad character(s) in group name: The group name in an entry contains characters other than lower-case letters and digits.
Invalid GID: The group ID field in an entry is not numeric or is greater than 65535.
Null login name: A login name in the list of login names in an entry is null.
Logname not found in password file: A login name in the list of login names in an entry is not in the password file.
Line too long: A line (including the newline character) in the group file exceeds the maximum length of 512 characters.
Duplicate logname entry: A login name appears more than once in the list of login names for a group file entry.
Out of memory: The program cannot allocate memory in order to continue.
Maximum groups exceeded for logname: A login name's group membership exceeds the maximum, NGROUPS_MAX.

SunOS 5.11 Last Revised 10 Jan 2000