To shut down the system from a terminal session, sign in or “su” to the “root” account. Then type “/sbin/shutdown -r now”. It may take several moments for all processes to be terminated, and then Linux will shut down. The computer will reboot itself.

What is the shutdown command in Linux?

The shutdown command brings the system down in a secure way. When the shutdown is initiated, all logged-in users and processes are notified that the system is going down, and no further logins are allowed. You can shut down your system immediately or at the specified time.

What is the command to shutdown the computer immediately?

From an open command prompt window:

type shutdown, followed by the option you wish to execute. To shut down your computer, type shutdown /s. To restart your computer, type shutdown /r. To log off your computer type shutdown /l.