reboot(8)                                                                                                                            reboot(8)

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 © 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)
 

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