Understanding System Preferences
System Preferences allow you to customize system wide settings for various aspects of Mac OS X Panther and your computer. The System Preferences window is organized alphabetically or by categories: Personal, Hardware, Internet & Network, and System. Each category contains preference areas within Mac OS X that you can change to customize the way the operating system works. Only an administrator can change system settings that affect everyone who uses the computer.
Appearance. Change the look and feel of buttons, selected items, and scroll bars. See page 82.
Desktop & Screen Saver. Change the desktop background or select a visual screen effect to hide your desktop, or protect others from using your computer ...