How to Crte Unrenamable and Undeletable Folders

How to Crte Unrenamable and Undeletable Folders
Go to Start and then Click on Run
Type cmd & hit enter (To open Command Prompt ).
Remember you cannot crte Un-deletable & un-renamable folder in your root directory (i.e. where the is installed) That mns you can't make this kind of folder in C: drive if you installed on C:
Type D: or E: and hit enter
Type md con\ and hit enter (md - make directory)
You may use other words such as aux, lpt1, lpt2, lpt3 up to lpt9 instd of con in above step.
Open that directory, you will see the folder crted of name con.
Try to delete that folder or rename that folder will show the error message.

How to delete that folder ?
It is not possible to delete that folder manually but you can delete this folder by another way mentioned below.

Open Command Prompt
Type D: ( if you crted this type of folder in D: drive) & hit enter
Type rd con\ (rd = remove directory)
Open that directory and the folder will not appr because it is removed.

Enjoy :)