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This article mainly explains "the usage of Linux shutdown command". The content of the explanation is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn the usage of "Linux shutdown command".

1. The operation before shutdown (may not be carried out)

You can use the who command to see who is online on the system.

Use the netstat-a command to view the online status of the network

Use the ps-aux command to view the programs executed in the background.

Execute the sync command several times before shutting down: data is written to disk synchronously.

2. The commonly used shutdown command shutdown

Command format: shutdown [- t seconds] [- arkhncfF] time [warning message]

-t: add seconds after that. Http://www.bbqmw.net/qm_yeqm/ shuts down in a few seconds.

-K: it's not really turning off, it's just sending a warning message.

-r: restart after stopping the service of the system (commonly used)

-h: shut down immediately after stopping the service of the system (commonly used)

-n: turn off the computer directly with the function of shutdown without going through the init program

-f: force to skip the disk check of fsck after shutdown and power on

-F: force fsck disk check after the system is rebooted

-c: cancel the contents of the shutdown command that is already in progress

Example:

Shutdown-h shuts down after 10'10 minutes.

Shutdown-r now: restart now

Shutdown-k now 'this system will reboot': only a warning message is issued and the system will not shut down.

Thank you for your reading, the above is the content of "the usage of Linux shutdown command". After the study of this article, I believe you have a deeper understanding of the usage of Linux shutdown command, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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