Linux

• Linux in Easy Steps
• Windows to Linux Migration Toolkit: Your Windows to Linux Extreme Makeover
• Linux Pocket Guide
• Running Linux
• Linux Server Hacks
• Linux for Dummies
• Teach Yourself Linux
• Linux in a Nutshell
• Linux Device Drivers, 2nd Edition
• Linux Administration Handbook
• SUSE Linux 9.X Bible
• SuSE Linux Server
• Understanding the Linux Kernel
• Linux Kernel Development
• Linux Firewalls
• Building Secure Servers with Linux
• Linux Security Cookbook
• The Linux Cookbook
• Debian GNU/Linux Bible
• Debian GNU/Linux 3.X Bible
• Red Hat Linux X Bible
• Learning Red Hat Enterprise Linux and Fedora
• Red Hat Linux Networking and System Administration
• Red Hat Fedora 2 Unleashed
• Knoppix Hacks
• Gnome 2.0 the Developers Guide

BSD

• FreeBSD Unleashed
• The Complete FreeBSD
• The FreeBSD Handbook: Volume1: User Guide
• The Design and Implementation of the FreeBSD Operating System
• Absolute BSD: The Ultimate Guide to FreeBSD
• BSD Hacks

Unix

• Learning the UNIX Operating System
• Introducing UNIX and Linux (Grassroots S.)
• UNIX Administration Handbook
• Unix for Dummies
• The Complete Idiot's Guide to UNIX

Server Scripting Technologies (Perl, CGI, PHP, Python) & MySQL

• PHP Pocket Reference
• Programming PHP
• PHP and MySQL Web Development, 3rd Edition
• PHP and MySQL Bible
• MySQL Pocket Reference
• Sam's Teach Yourself PHP, MySQL and Apache in 24 Hours
• PHP and MySQL for Dynamic Web Sites: Visual QuickPro Guide
• Web Database Applications with PHP and MySQL
• Apache, MySQL, and PHP Web Development All-in-One Desk Reference for Dummies
• Apache, MySQL, and PHP Weekend Crash Course
• Learning Perl
• Programming Perl
• Perl Cookbook
• Perl Pocket Reference
• Beginning Perl: From Novice to Professional
• Programming Python
• Learning Python
• Python in a Nutshell
• Python Cookbook
• Web Wizard's Guide to Perl and CGI
• Perl and CGI for the World Wide Web
• Official Guide to Programming with CGI.pm: The Standard for Building Web Scripts