The free Ubuntu operating system has won the hearts and minds of millions of users worldwide. It combines a strong technical platform, impressive quality, and an enthusiastic global community of users who relentlessly support, document, and test it.

The Official Ubuntu Book, Ninth Edition, has been extensively updated with a single goal: to make running today's Ubuntu even more pleasant and productive for you. It's the ideal one-stop knowledge source for Ubuntu novices, those upgrading from older versions or other Linux distributions, and anyone moving toward power-user status.

Its expert authors focus on what you need to know most about installation, applications, media, administration, software applications, and much more. You'll discover powerful Unity desktop improvements that make Ubuntu even friendlier and more convenient. You'll also connect with the amazing Ubuntu community and the incredible resources it offers you.

Learn how to



Reliably install, customize, and update Ubuntu for any home, business, school, or government environment
Get up and running quickly, and then explore Ubuntu and download powerful free software
Customize Ubuntu for performance, accessibility, and fun
Get comfortable with the highly efficient Ubuntu command line
Install, administer, and secure Ubuntu Server, including advanced features such as LVM and RAID
Get involved with related Ubuntu projects
Help build, promote, distribute, support, document, or translate Ubuntu
Get up-to-the-minute help and troubleshooting advice from Ubuntu users worldwide