```
* kill命令：杀掉进程

```
<span class="hljs-built_in">kill</span> [<span class="hljs-_">-s</span> signal_name] pid ...

<span class="hljs-built_in">kill</span> <span class="hljs-_">-l</span> [exit_status]
<span class="hljs-built_in">kill</span> -signal_name pid ...

<span class="hljs-built_in">kill</span> -signal_number pid ...