在Linux中，如果你要使用储存设备 (Mo、硬盘、光驱等) ，就得先将它挂上 (Mount)，而当储存设备挂上了之后，就可以把它当成一个目录来进行访问。挂上一个设备使用mount命令。-In Linux, if you want to use storage devices (Mo, hard drives, CD-ROM, etc.), you must first put it (Mount), and when the storage devices has been put up, you can put it as a directory to visit. Put up a device using mount command.