.\"
.\" Copyright (c) DFN-CERT, Univ. of Hamburg 1994
.\"
.\" Univ. Hamburg, Dept. of Computer Science
.\" DFN-CERT
.\" Vogt-Koelln-Strasse 30
.\" 22527 Hamburg
.\" Germany
.\"
.\" @(#) $Header: chklastlog.1,v 
.TH CHKLASTLOG 8  "Thu Oct 12 1994"
.AT 3
.SH NAME
chklastlog \- check lastlog-file for deleted entries
.SH SYNOPSIS
.na
.B chklastlog
.ad
.SH DESCRIPTION
.LP
\fIChklastlog\fP is reading all entries from the file \fI/var/log/wtmp\fP 
(file with information about logins and logouts) and checks for every user
found in this file whether there is an entry in the file 
\fI/var/log/lastlog\fP, too. The program will complain about userids with
logins but no lastlogin information.

To run chklastlog you need read permission on the files /var/log/wtmp
and /var/log/lastlogin. Normally these files are world-readable and
no special privileges are required to run the checker.
.SH "FILES"
.PD 0
.TP 20
.B /var/log/wtmp         
login data base
.TP
.B /var/log/lastlog
last login times
.PD
.SH "SEE ALSO"
wtmp(4), who(1), last(1)
.SH "LIMITATIONS"
This program only works if the user has not logged in after the deletion
of their lastlog entry.

This program was designed to run on SunOS 4.x systems only. On other
systems the output is undefined...