Ch. 1. Introduction to Operating Systems -- Ch. 2. Computer Security Basics -- Ch. 3. Desktop Virtualization -- Ch. 4. Disk Operating System (DOS) and the Command-Line Interface -- Ch. 5. Windows XP Professional -- Ch. 6. Today's Windows-Windows Vista and Windows -- Ch. 7. Under the Windows Desktop -- Ch. 8. Linux on the Desktop -- Ch. 9. Mac OS X on the Desktop -- Ch. 10. The Client Side of Networking.