Linux halt command details how to use Linux halt command

If the system runlevel is 0 or 6, the Linux halt command will shut down the system. Otherwise, it will be replaced by the shutdown command (with The-h parameter.

Permission: system administrator.

Syntax

Halt [-n] [-w] [-d] [-f] [-I] [-p]

Parameter description:

• -N: Do not write the memory data back to the hard disk before shutdown.
• -W: it does not actually shut down, but only writes the records to the/var/log/wtmp file.
• -D: Do not write the record to the/var/log/wtmp File (-n contains-d)-f: Force shutdown. Do not call the shutdown command.
• -I: stop all network-related devices before shutdown.
• -P: When the instance is shut down, the power off operation will be performed by the way.

Instance

Shut down the system

# Halt

Turn off the system and power off

# Halt-p

Shut down the system, but keep no record

# Halt-d