A device driver enables communication mechanisms between the hardware, operating system and applications. It enables the kernel to use hardware. It also takes care of basic synchronisation routines between the device and kernel. The drivers enable the kernel to provide an interface to application-independent of the underlying technology. For eg. we use the same commands to operate on a hard drive, a floppy or a CD-ROM drive.

Linux Device Drivers « Carmashantanu’s Weblog

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This is the web site for the Third Edition of Linux Device Drivers, by Jonathan Corbet, Alessandro Rubini, and Greg Kroah-Hartman.

Linux Device Drivers, Third Edition [LWN.net]

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