Linux is a system that expresses all the computer systems(including hardware equipments) as files, which enable computers to use a specified equipment, such as disks(hard disk or floppy disks), CD-ROM etc. .

• Linux将所有系统（包括硬件设备）都表示为文件，而配置一个文件系统就是使计算机系统可以使用一个具 体的设备，如：磁盘（硬盘或软盘），CD－ROM等等。