“Linux Kernel in a Nutshell”, Greg Kroah-Hartman’s new book is now available as a free download. If you prefer the printed version then head on over to (Amazon.com, Amazon.co.uk).
About the Author (thanks to Planete Beranger) Greg Kroah-Hartman has been building the Linux kernel since 1996 and started writing Linux kernel drivers in 1999. He is currently the maintainer of the USB, PCI, driver core, and sysfs subsystems in the kernel source tree and is also one half of the -stable kernel release team. He created the udev program and maintains the Linux hotplug userspace project. He is a Gentoo Linux developer as well as the coauthor of the third edition of Linux Device Drivers (O’Reilly) and a contributing editor to Linux Journal. He also created and maintains the Linux Device Driver Kit. He currently works for SUSE Labs/Novell, doing various Linux kernel-related tasks.