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This article mainly introduces the Linux commonly used command halt how to use, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand.

The Linux common command halt command is used to shut down the running Linux operating system. The halt command first detects the runlevel of the system, shuts down the system if runlevel is 0 or 6, otherwise calls shutdown to shut down the system.

Syntax halt [- n] [- w] [- d] [- f] [- I] [- p] parameter description:

-n: do not write the memory data back to the hard disk before shutting down

-w: it doesn't really turn off, just write the record in / var/log/wtmp file.

-d: do not write records to / var/log/wtmp file (- n this parameter contains-d)-f: force shutdown, do not call the command shutdown

-I: stop all network-related devices before shutting down

-p: turn off the power supply (poweroff) by the way when you turn it off

Instance shuts down the system

# halt shut down the system and power off

# halt-p shuts down the system without leaving a record

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