In Linux various special files can be found under the directory /dev
. These files are called device files and behave unlike ordinary files. The most common types of device files are for block devices and character devices. These files are an interface to the actual driver (part of the Linux kernel) which in turn accesses the hardware. Another, less common, type of device file is the named pipe. The most important device files are listed in the tables below.
sda |
Aḍebsi aqurran amezwaru |
sdb |
Second hard disk |
sda1 |
First partition of the first hard disk |
sdb7 |
Seventh partition of the second hard disk |
sr0 |
CD-ROM amezwaru |
sr1 |
CD-ROM wis sin |
ttyS0 |
Serial port 0, also referred to as COM1 |
ttyS1 |
Serial port 1, also referred to as COM2 |
psaux |
Ibenk n tɣerdayt PS/2 |
gpmdata |
Pseudo device, repeater data from GPM (mouse) daemon |
cdrom |
Symbolic link to the CD-ROM drive |
taɣerdayt |
Symbolic link to the mouse device file |
null |
Anything written to this device will disappear |
zero |
One can endlessly read zeros out of this device |
The mouse can be used in both the Linux console (with gpm) and the X window environment. Normally, this is a simple matter of installing gpm
and the X server itself. Both should be configured to use /dev/input/mice
as the mouse device. The correct mouse protocol is named exps2
in gpm, and ExplorerPS/2
in X. The respective configuration files are /etc/gpm.conf
and /etc/X11/xorg.conf
.