4 Common Shutdown Commands in Linux System

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foreword

There are four commonly used shutdown commands in the Linux system: shutdown, halt, poweroff, and init. The following describes the usage of each command in detail.

1. The halt command

1. Grammar:

halt [-n] [-w] [-d] [-f] [-i] [-p]

2. Parameter description:

-n : 在关机前不做将记忆体资料写回硬盘的动作
-w : 并不会真的关机，只是把记录写到 /var/log/wtmp 文件里
-d : 不把记录写到 /var/log/wtmp 文件里（-n 这个参数包含了 -d） -f :