Hide user accounts in windows

Hi...
If you want to hide user accounts in windows machine follow the below steps:
(*) Click Start -> Run
(*) Type GPEDIT.MSC and press Enter. Note that : Only Windows Xp Professional have this Utility.
(*) Go to User Config -> Admin Templates -> Control Panel and double click on Hide specified Control Panel applets.
(*) Now put a dot in enabled, and click On Show.
(*) Click Add button and type in nusrmgt.cpl into the box.