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).
命令补全功能,比如我要输入systemctl,在我输入sys时不能提示自动补全么,只能在我全部输入systemctl时按下空格会补全后面的status。是我哪设置不对么