Download 'Ubuntu Pocket Guide' Free of Charge
Ready to take Ubuntu Linux for a test drive? Trust me: You'll love the open-source OS. Just make sure to have a good reference guide at your side to answer the inevitable questions that crop up along the way.
Right now, you can download the Ubuntu Pocket Guide and Reference e-book absolutely free. The 166-page guide covers installing and configuring Ubuntu, learning the desktop and file system, using the command line, and managing software and security.
The e-book is provided in PDF form. You can print your own hardcopy or, if you prefer, splurge on the $9.94 paperback edition. Definitely a worthwhile addition to any Ubuntu user's library. [via Lifehacker]