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This article introduces what are the shutdown and restart commands in Linux, including examples of what the shutdown and restart commands are in Linux, application skills, summary of basic knowledge points and matters needing attention. It has a certain reference value, and friends who need it can refer to it.

What is Linux system Linux is a free-to-use and free-spread UNIX-like operating system, is a POSIX-based multi-user, multi-task, multi-threaded and multi-CPU operating system, using Linux can run major Unix tools, applications and network protocols.

Explain the shutdown and restart commands in Linux in detail

One shutdown command

Shutdown [option] time

Options:

-c: cancel the previous shutdown command-h: shutdown-r: restart

Two shutdown actual combat

[root@localhost tmp] # dateSat Jul 15 09:28:35 CST 2017 [root@localhost tmp] # shutdown-r 05:30Shutdown scheduled for Sun 2017-07-16 05:30:00 CST, use 'shutdown-c' to cancel. [root@localhost tmp] # shutdown-r 05:30 & [1] 4936 [root@localhost tmp] # Shutdown scheduled for Sun 2017-07-16 05:30:00 CST, use 'shutdown-c' to cancel. Broadcast message from root@localhost.localdomain (Sat 2017-07-15 09:30:00 CST): The system is going down for reboot at Sun 2017-07-16 05:30:00 CST! ^ C [1] + Done shutdown-r 05:30 [root@localhost tmp] # shutdown-c Broadcast message from root@localhost.localdomain (Sat 2017-07-15 09:31:03 CST): The system shutdown has been cancelled at Sat 2017-07-15 09:32:03 CST!

Three other shutdown commands

Haltinit 0poweroff

Four other restart commands

Rebootinit 6

Fifth, system operation level

View the running level of the system and modify the default level of the system

Runlevelcat / etc/inittab

Seven logout

Logout

Eight actual combat

[root@localhost tmp] # [root@localhost tmp] # runlevelN 5 [root@localhost tmp] # init 3PolicyKit daemon disconnected from the bus.We are no longer a registered authentication agent. [root@localhost tmp] # runlevel5 3 [root@localhost tmp] # logout this is the end of this article on what the shutdown and restart commands in Linux are. For more related content, please search the previous articles or continue to browse the relevant articles below. I hope you will support it in the future!

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