PWCK(8V)

NAME
pwck - check password database entries

SYNOPSIS
/usr/etc/pwck [ filename ]

AVAILABILITY

This command is available with the System V software installation option. Refer to for information on how to install optional software.

DESCRIPTION

pwck checks that a file in passwd(5) does not contain any errors; it checks the /etc/passwd file by default.

FILES
/etc/passwd

DIAGNOSTICS

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 Network Information Service (NIS) entry referring to a netgroup, but no netgroup is present.

Bad character(s) in netgroup name
    The netgroup name in an NIS entry contains characters other than lower-case letters and digits.

First char in netgroup name not lower case alpha
    The netgroup name in an NIS entry does not begin with a lower-case letter.

SEE ALSO
group(5), passwd(5)

NOTES

The Network Information Service (NIS) was formerly known as Sun Yellow Pages (YP). The functionality of the two remains the same; only the name has changed.