Man page or keyword search:   man All Sections 1 - General Commands 2 - System Calls 3 - Subroutines, Functions 4 - Special Files 5 - File Formats 6 - Games and Screensavers 7 - Macros and Conventions 8 - Maintenence Commands 9 - Kernel Interface New Commands Server 4.4BSD AIX Alpinelinux Archlinux Aros BSDOS BSDi Bifrost CentOS Cygwin Darwin Debian DigitalUNIX DragonFly ElementaryOS Fedora FreeBSD Gentoo GhostBSD HP-UX Haiku Hurd IRIX Inferno JazzOS Kali Knoppix LinuxMint MacOSX Mageia Mandriva Manjaro Minix MirBSD NeXTSTEP NetBSD OPENSTEP OSF1 OpenBSD OpenDarwin OpenIndiana OpenMandriva OpenServer OpenSuSE OpenVMS Oracle PC-BSD Peanut Pidora Plan9 QNX Raspbian RedHat Scientific Slackware SmartOS Solaris SuSE SunOS Syllable Tru64 UNIXv7 Ubuntu Ultrix UnixWare Xenix YellowDog aLinux   31170 pages apropos Keyword Search (all sections) Output format html ascii pdf view pdf save postscript

UTMPDUMP(1)	      Linux System Administrator's Manual	   UTMPDUMP(1)

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),

				Februar 8, 2010			   UTMPDUMP(1)

Vote for polarhome