pwck(1B)

check password database entries

From the original Amiga UNIX 2.1 manual. Some things it mentions may not be in this release.

Also by this name: pwck(1M), System administration commands

NAME

pwck - check password database entries

/usr/ucb/pwck [ filename ]

pwck checks a password file for errors. If specified, filename is checked, otherwise /etc/passwd is checked.

This command differs from /usr/sbin/pwck in its ability to correctly parse YP entries in /etc/passwd.

Too many/few fields

An entry in the password file does not have the proper number of fields.

No login name

The login name field of an entry is empty.

Bad character(s) in login name

The login name in an entry contains characters other than lower-case letters and digits.

First char in login name not lower case alpha

The login name in an entry does not begin with a lower-case letter.

Login name too long

The login name in an entry has more than 8 characters.

Invalid UID

The user ID field in an entry is not numeric or is greater than 65535.

Invalid GID

The group ID field in an entry is not numeric or is greater than 65535.

No login directory

The login directory field in an entry is empty.

Login directory not found

The login directory field in an entry refers to a directory that does not exist.

Optional shell file not found.

The login shell field in an entry refers to a program or shell script that does not exist.

No netgroup name

The entry is a Yellow Pages entry referring to a netgroup, but no netgroup is present.

Bad character(s) in netgroup name

The netgroup name in a Yellow Pages entry contains characters other than lower-case letters and digits.

First char in netgroup name not lower case alpha

The netgroup name in a Yellow pages entry does not begin with a lower-case letter.

/etc/passwd