shutdown
Syntax
shutdown [options]
time
[
messages
]
Options
-t
seconds
specifies the time between the message and the kill signal.
-h
halts the system after terminating all the processes.
-r
reboots the system after terminating all the processes.
-f
performs a fast reboot.
-k
sends warning messages but does not shut down the system.
-c
cancels a shutdown that's in progress.
Description
The shutdown
command (the full pathname is /sbin/shutdown
) brings down the Linux system in an orderly way. You must specify a time when shutdown begins; use the keyword now
to shutdown immediately. You must be logged in as root
to run the shutdown
command.