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UTMPDUMP
Section: Linux System Administrator's Manual (1)
Updated: Februar 8, 2010
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NAME
utmpdump - dump UTMP and WTMP files in raw format
SYNOPSIS
utmpdump
[-froh]
filename
DESCRIPTION
utmpdump is a simple program to dump UTMP and WTMP files
in raw format, so they can be examined.
OPTIONS
- -f
-
output appended data as the file grows.
- -r
-
reverse. Write back edited login information into utmp or wtmp files.
- -o
-
use old libc5 format.
- -h
-
usage information.
utmpdump can be useful in cases of corrupted utmp or wtmp entries.
It can dump out utmp/wtmp to an ASCII file, then that file can
be edited to remove bogus entries and reintegrated, using
utmpdump -r < ascii file > wtmp
but be warned as
utmpdump
was written for debugging purpose only.
BUGS
You may
not
use the option -r as the format for the
utmp/wtmp files strongly depends on the
input format. This tool was
not
written for normal use but for debugging.
AUTHOR
Michael Krapp
SEE ALSO
last(1),
w(1),
who(1),
utmp(5),
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- OPTIONS
-
- BUGS
-
- AUTHOR
-
- SEE ALSO
-
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