In this excerpt, Chapter 9, from the book, the author describes how kernel device drivers interact with system hardware and how developers can write device drivers and use them in their applications.

PulseAudio brought some really nice features to Linux, like moving sound streams between devices and dynamically resampling streams as needed. The other side of the Linux audio coin is JACK.

I've recently become interested in a Windows driver called HttpDisk which allows mounting of disk images over HTTP. The closest thing I could find for Linux was NBD (Network Block Device). Is ...