9780134173269 | Prentice Hall, January 30, 2017, cover price $39.99 | About this edition: Implement Industrial-Strength Security on Any Linux Server   In an age of mass surveillance, when advanced cyberwarfare weapons rapidly migrate into every hacker’s toolkit, you can’t rely on outdated security methods–especially if you’re responsible for Internet-facing services.

9780321832047 | Addison-Wesley Professional, November 13, 2012, cover price $39.99

9780132748414 | 6 pap/dvdr edition (Prentice Hall Ptr, June 10, 2011), cover price $39.99 | About this edition: Ubuntu is a complete, free operating system that emphasizes community, support, and ease of use without compromising speed, power, or flexibility.

9780137036028, titled "Official Ubuntu Book: Barnes & Noble Special Edition" | 4 special edition (Prentice Hall Ptr, July 8, 2009), cover price $34.99

9780596514938 | 2 pap/dvdr edition (Oreilly & Associates Inc, November 1, 2007), cover price $34.99

9780596527204 | Oreilly & Associates Inc, June 1, 2006, cover price $29.99 | About this edition: Provides information on getting the most out of Ubuntu Linux, covering the installation, configuration, and customization of the operating system.

9780596527365 | Oreilly & Associates Inc, June 1, 2006, cover price $29.99

9780596100766 | Oreilly & Associates Inc, December 1, 2005, cover price $29.95 | About this edition: Provides instructions for a variety of multimedia projects that can be done with Linux, including creating DVDs and VCDs, streaming audio and video over the Internet, and building a MythTV digital media hub.

9780596100759 | Poc edition (Oreilly & Associates Inc, July 1, 2005), cover price $9.95

9780596007874 | Pap/cdr edition (Oreilly & Associates Inc, November 1, 2004), cover price $29.95 | About this edition: Provides information on using Knoppix with a Linux operating system.