Summary of Linux system shutdown and restart commands

1 init

Shutdown: init 0

Restart: init 6

2 reboot

Reboot:reboot

3 shutdown

Command Introduction

This command can safely shut down or restart the system.

Command syntax

shutdown [-fFhknrc] [-t seconds] time [warning message]

Command parameters

Command example

Shut down and restart: shutdown -r now

Shut down immediately: shutdown -h now

Shut down after 5 minutes, and send a warning message to the user: shutdown +5 "System will shutdown after 5 minutes"

4 halt

Command introduction

When this command is executed, all applications will be terminated, and then Call the system command sync, sync writes all memory information to the hard disk through the file system, and then stops the kernel.

Command syntax

halt [-finp]

Command parameters

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