- Ubuntu pocket reference guide – http://www.ubuntupocketguide.com/
- Two bits – http://twobits.net/
- The Linux Starter Pack – http://www.tuxradar.com/linuxstarterpack
- The easiest Linux guide you’ll ever read – http://www.suseblog.com/my-book-the-easiest-linux-guide-youll-ever-read-an-introduction-to-linux-for-windows-users
- Producing Open Source Software – http://producingoss.com/
- Introduction to Linux: A hands on guide – http://tille.garrels.be/training/tldp/
- Bash guide for beginners – http://tille.garrels.be/training/bash/
- After the software wars – http://www.lulu.com/content/4964815
- The cathedral & the bazaar – http://www.catb.org/%7Eesr/writings/cathedral-bazaar/
- Free for All: How LINUX and the Free Software Movement Undercut the High-Tech Titans – http://wayner.org/node/5
- Put yourself in command – http://en.flossmanuals.net/gnulinux
- Getting started with OpenOffice.org 3.x – http://documentation.openoffice.org/
- Grokking the GIMP – http://gimp-savvy.com/BOOK/
- The Linux knowledge base and tutorial – http://sourceforge.net/projects/linkbat
- Advanced Linux Programming – http://www.advancedlinuxprogramming.com/
- Linux 101 & 102 Modular Training Notes – http://www.ledge.co.za/software/lpinotes/
- Linux Device Drivers, 3rd edition – http://oreilly.com/catalog/9780596005900/
- Linux: Rute user’s Tutorial and Exposition – http://linux.2038bug.com/
- Linux Network Administrator’s Guide, 2nd Edition – http://tldp.org/guides.html
- TuxLabs cookbook – http://www.upfrontsystems.co.za/Members/jean/cookbook/tuXlab01.pdf/view