To Create Folder " CON "

Without using Command Prompt "How to create a folder namely "CON"
1.Rename folder from the right click option
2.press alt and press 255
3.press 255 from the right side of the keyboard i.e., num pad(where only numbers are given)
4.Type con and then press enter

You will see a con folder in your pc and also you can delete it easily.