Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
什么时候更新一下查询命令功能，现在偶尔会遇到需要的常用命令查不到的情况，如ufw，但这在github上的linux-command项目上是有的
