Ubuntu Desktop Guide

Networking, web, email & chat Wireless, wired, connection problems, web browsing, email accounts, instant messaging...	Sound, video & pictures Digital cameras, iPods, editing photos, playing videos...	Files, folders & search Searching, delete files, backups, removable drives...
Add & remove software Install, remove, software repositories, Personal Package Archives...	User & system settings Keyboard, mouse, display, languages, user accounts...	Hardware & drivers Hardware problems, printers, power settings, color management, Bluetooth, disks...
Universal access Seeing, hearing, mobility, braille...	Tips & tricks Special characters, middle click shortcuts...	Get more help Tips on using this guide, help improve this guide...
Log out, power off, switch users Learn how to leave your user account, by logging out, switching users, and so on.

Ubuntu Documentation