Friends Now You can can create undeletable folder in your pc..it's easy..

• First of all go to run
• Then type cmd and press Enter
• Now dos will be opened
• Then type D: - For change Drive location
• Then type md AUX\

now your undeletable folder created in D drive..

Now Try to delete it..it's folder not deleted..

How To delete This folder

1 . Go to cmd Type D:

2. then type rd AUX\