关於档案/目录处理的指令: 1. ls 这是最基本的档案指令。 ls 的意义为 "list"，也就是将某一个目录或是 某一个档案的内容显示出来。 -On the file/directory handling instructions: 1. Ls This is the most basic file commands. ls of the meaning of " list" , that is, a directory or the conte