reboot man page on Scientific
reboot, halt, poweroff - reboot or stop the system
These programs allow a system administrator to reboot, halt or poweroff
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. Oth‐
erwise this simply invokes the shutdown(8) tool with the appropriate
Before invoking reboot(2), a shutdown time record is first written to
Does not invoke shutdown(8) and instead performs the actual
action you would expect from the name.
Instructs the halt command to instead behave as poweroff.
Does not call shutdown(8) or the reboot(2) system call and
instead only writes the shutdown record to /var/log/wtmp
Outputs slightly more verbose messages when rebooting, useful
for debugging problems with shutdown.
reboot will read the current runlevel from this environment
variable if set in preference to reading from /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.
A new runlevel record for the shutdown time will be appended to
Written by Scott James Remnant <email@example.com>
Report bugs at <https://launchpad.net/upstart/+bugs>
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
shutdown(8) telinit(8) runlevel(8)
Upstart 2009-07-09 reboot(8)
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