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reboot(8)							     reboot(8)

NAME
       reboot, halt, poweroff - reboot or stop the system

SYNOPSIS
       reboot [OPTION]...  [REBOOTCOMMAND]

       halt [OPTION]...

       poweroff [OPTION]...

DESCRIPTION
       These programs allow a system administrator to reboot, halt or poweroff
       the system.

       When called with --force or when in runlevel 0 or 6, this tool  invokes
       the  reboot(2)  system call itself (with REBOOTCOMMAND argument passed)
       and directly reboots the system.	 Otherwise  this  simply  invokes  the
       shutdown(8) tool with the appropriate arguments without passing REBOOT‐
       COMMAND argument.

       Before invoking reboot(2), a shutdown time record is first  written  to
       /var/log/wtmp

OPTIONS
       -f, --force
	      Does  not	 invoke	 shutdown(8)  and  instead performs the actual
	      action you would expect from the name.

       -p, --poweroff
	      Instructs the halt command to instead behave as poweroff.

       -w, --wtmp-only
	      Does not call shutdown(8)	 or  the  reboot(2)  system  call  and
	      instead only writes the shutdown record to /var/log/wtmp

       --verbose
	      Outputs  slightly	 more  verbose messages when rebooting, useful
	      for debugging problems with shutdown.

ENVIRONMENT
       RUNLEVEL
	      reboot will read the  current  runlevel  from  this  environment
	      variable if set in preference to reading from /var/run/utmp

FILES
       /var/run/utmp
	      Where  the  current  runlevel  will be read from; this file will
	      also be updated with the runlevel record	being  replaced	 by  a
	      shutdown time record.

       /var/log/wtmp
	      A	 new runlevel record for the shutdown time will be appended to
	      this file.

AUTHOR
       Written by Scott James Remnant <scott@netsplit.com>

REPORTING BUGS
       Report bugs at <https://launchpad.net/upstart/+bugs>

COPYRIGHT
       Copyright © 2009 Canonical Ltd.
       This is free software; see the source for copying conditions.  There is
       NO  warranty;  not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
       PURPOSE.

SEE ALSO
       shutdown(8) telinit(8) runlevel(8)

Upstart				  2009-07-09			     reboot(8)
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