Stopping the system
Learn how to stop the system to complete another task.
Procedure
You can use the Linux shutdown command to stop and power down the
system.
For example, the following command will shut down the system in 10 minutes and send the message
"Repairs coming." to the users.
shutdown -P +10 "Repairs coming."
The -P setting instructs the system to shut down and then power down. The + indicates the time in minutes before the shutdown occurs.