Wicked Cool Shell Scripts
Dave Taylor
How Linux Works: What Every Superuser Should Know
Brian Ward
Red Hat Enterprise Linux & Fedora Edition
Richard Petersen & Ibrahim Haddad
UNIX User's Handbook
Marty Poniatowski
UNIX in a Nutshell: A Desktop Quick Reference for System v & ...
Mike Loukides & Daniel Gilly
LPI Linux Certification in a Nutshell
Adam Haeder & Stephen Addison Schneiter & Bruno Gomes Pessanha & James Stanger
Linux server hacks
Rob Flickenger
RHCSA/RHCE Red Hat Linux Certification Study Guide
Michael Jang
Absolute OpenBSD: Unix for the Practical Paranoid
Michael Lucas
Red Hat Linux Unleashed
Kamran Husain & Tim Parker
Linux System Administration
Tom Adelstein & Bill Lubanovic
Learning Debian Gnu/Linux
Bill McCarty
Linux Desk Reference
Scott Hawkins
Advanced Linux Programming
Codesourcery Llc & Mark L. Mitchell & Alex Samuel & Jeffrey Oldham
The UNIX Cook Book
Unknown
Linux Security Cookbook
Daniel J. Barrett & Richard E. Silverman & Robert G. Byrnes
Google Hacks: Tips & Tools for Finding and Using the World's ...
Rael Dornfest & Paul Bausch & Tara Calishain
Solaris 9 Sun Certified System Administrator Study Guide
Quentin Docter
Solaris 8 System Administrator
Darrell Ambro & Ed Tittel
Apache: The Definitive Guide
Ben Laurie & Peter Laurie