shutdown [ -t secs ] [ options ] time [
to users ]
(i.e. "shutdown -h now" this will shut down Linux)
option tells init
to reboot the system once all processes have been shut down.
Halts the system once all of the processes have shut down. Then
down the box.
Does not shut down Linux, just sends the warning messages to users.
Cancels a running shutdown command.
Skips the filesystem check on reboot 'fast reboot'.
Forces a 'fsck' filesystem check on reboot.
not go through init but go down real fast!
between Warning and Kill signal.
Time to perform the shutdown. Time may be specified as an
in hh:mm:ss format or as +N where N is the number of minutes from the
time. You may also specify the time as "now", which is an alias
Optionally, you may send system users a message using the wall
* = these are