Windows X

Windows X (codenamed Phoenix) is the sixth major release of Windows NT, Microsoft's desktop and server operating system. Windows X was released on May 13, 2001 for a price of US$149.99, $10.00 more expensive than Mac OS X 10.0. It was the successor of the Windows 2000 and the predecessor of Windows XP.

Features

 * Taskbar
 * Command Prompt
 * Outlook Express 6 — email client.
 * Windows Address Book
 * Microsoft Office X
 * New programs:
 * Portable Doc X
 * Full preemptive multitasking support
 * Luna - also available on Windows XP
 * Built on Windows NT, a Microsoft operating system.
 * OpenGL
 * MSN Search X — desktop and web search engine.
 * Protected memory — memory protection so that if an application corrupts its memory, the memory of other applications will not be corrupted.