Official Redhat Linux User's Guide, Revision 4.0 (Official Redhat Lunix User's Guide, Revision 4.0)

The Cathedral and the Bazaar: Musings on Linux and Open Source by an Accidental Revolutionary (O'Reilly Linux)

Linux Hardware Handbook: Selecting, Installing, and Configuring the Right Components for Your Linux System

Linux Programming Unleashed (Unleashed)

Netzwerkprogrammierung unter LINUX und UNIX.

Linux: Configuration and Installation (3rd Edition)

Linux+ Study Guide: Exam XKO 001 (With CD-ROM)

Linux Administration: A Beginner's Guide

LINUX® System Administration

Linux (Hacking Exposed)