Features of windows xp usage

Some Features of Windows XP Professional:

1. It is reliable
2. It is built on Windows Engine
3. It enhanced Device Driver Verifier that is found in Windows 2000
4. It reduces Reboot Scenarios
5. It has improved Code Protection with all device driver codes are read-only and were page protected
6. It has a Side-by-Side DLL (Dynamic-Link Library) Support that can provide mechanism for multiple versions of Windows components
7. It has Windows File Protection preventing the core system files to be overwritten by other applications
8. It has Windows Installer
9. It has Enhanced Software Restriction Policies providing administrators mechanism to identify the software that is running in its environment and giving it control for its ability to execute commands
10. It has Preemptive Multitasking Architecture

The above are just samples of Windows XP Professional Features. For the complete list and to understand Windows XP Professional better, I would suggest that you go to http://technet.microsoft.com/en-us/library/bb457058.aspx for further reference.