The K Desktop Environment (KDE) is a graphical desktop that uses common graphical objects such as icons, windows, menus, and panels; it allows you to access your Red Hat Linux system and applications using your mouse and keyboard.
This appendix covers the basics of using KDE: system navigation, working with files and applications, and customizing the desktop to suit your needs.
If you would like to learn more about KDE, visit the official website at http://www.kde.org.