在Linux系统中，每个设备都被当作文件来对待，几乎所有的硬件设备文件都在/dev这个目录内。

各个硬件设备在linux中的文件名（英文）
http://www.kernel.org/doc/Documentation/devices.txt

LINUX ALLOCATED DEVICES (2.6+ version)

         Maintained by Alan Cox <device@lanana.org>

        Last revised: 6th April 2009

This list is the Linux Device List, the official registry of allocated device numbers and /dev directory nodes for the Linux operating system.

The latest version of this list is available from
http://www.lanana.org/docs/device-list/
or
ftp://ftp.kernel.org/pub/linux/docs/device-list/.
This version may be newer than the one distributed with the Linux kernel.

或者搜索linux-device-list 即可得到linux硬件设备文件名列表。