Forbidden file and folder names in windows 2000 and XP

Today an interesting tip about some names which windows has reserved. You can say there are some restricted words that cannot be assigned to name of files and folders. If you create a folder on your desktop and try to rename it with name “con” (or others reserved words) then the message will be appear in windows 2000 “Cannot rename New Folder: A file with the name you specified already exists. Specify a different filename” or “Cannot create or replace file: The filename you specified is invalid or too long. Specify a different filename”.
In windows XP when you try to rename a folder with reserved word then it automatically reverts the folder back to its original name.

You can give surprise to your friends with this interesting tip and show them this trick with that restricted words
The following are reserved names, which cannot be assigned to a folder or file (normally):
CON
PRN

AUX
NUL
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
COM9
LPT1
LPT2
LPT3
LPT4
LPT5
LPT6
LPT7
LPT8
LPT9