Provided by: upstart_1.5-0ubuntu5_i386 bug

NAME

       reboot, halt, poweroff - reboot or stop the system

SYNOPSIS

       reboot [OPTION]...

       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  and  directly reboots the system.
       Otherwise this simply invokes the shutdown(8) tool with the appropriate
       arguments.

       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 (C) 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)