shutdown command means Halt, power-off or reboots the machine. In this tutorial, How to shutdown command in Linux with Examples.
shutdown [OPTION]… TIME [MESSAGE]
In man page the describe it
- shutdown – bring the system down.
- man shutdown – More details information about the shutdown command.
The shutdown command in Linux with Examples
$ sudo shutdown -h now #Schedule the system to shut down at 8 A.M. $ sudo shutdown 8:00 #Schedule the system to shut down in fifteen minutes. $ sudo shutdown +15 "Upgrading hardware, downtime should be minimal" #Bring down the system immediately, and automatically reboot it. $ sudo shutdown -r now # Bring down the system immediately, and automatically power off the system. $ sudo shutdown -P now
halt – Stop the computer.
poweroff – Stop the computer.
reboot – Stop the computer.
wall – Send a message to all logged-in users.