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1
2 chkwtmp - check wtmp-file for overwritten information
3
4 Copyright (c) DFN-CERT, Univ. of Hamburg 1994
5
6 Univ. Hamburg, Dept. of Computer Science
7 DFN-CERT
8 Vogt-Koelln-Strasse 30
9 22527 Hamburg
10 Germany
11
12
13
14 This program is free software; you can distribute it and/or modify
15 it as long as you retain the DFN-CERT copyright statement.
16
17 It can be obtained via anonymous FTP from
18 ftp://ftp.cert.dfn.de/pub/tools/admin/chkwtmp/chkwtmp.tar.Z
19
20 This program is distributed WITHOUT ANY WARRANTY; without the IMPLIED
21 WARRANTY of merchantability or fitness for a particular purpose.
22
23 This package contains:
24 README
25 MANIFEST
26 chkwtmp.1
27 chkwtmp.c
28 chkwtmp.txt
29
30 To create chkwtmp under SunOS 4.x, type:
31 % cc -o chkwtmp chkwtmp.c
32
33 To run chkwtmp you need read permission on the file /var/adm/wtmp.
34 Normally this file is world-readable and no special privileges are
35 required to run the checker.
36
37 The following is an example of the output of chkwtmp.
38
39 Running chkwtmp on a machine with deleted wtmp-entries, under csh(1):
40
41 % chkwtmp
42 1 deletion(s) between Thu Sep 29 08:23:57 1994 and Thu Sep 29 14:11:58 1994
43 %
44
45 Running chkwtmp on a machine with no deleted wtmp-entries, under csh(1):
46
47 % chkwtmp
48 %
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50