Tricks 1
  Try it on your computer from "CON" is the name of a folder you can make!
Try this from words are:
AUX, PRN, CLOCK $, COM, LPT1, LPT2, LPT3, COM2, COM3, COM4, ​​nul

 

Tricks 2
i) Open Microsoft Word
ii) write this: = rand (200, 99)
iii) and then press enter
See what is on

Tricks 3
i) Open the note pad
ii) type this: "Bush hid the facts"
iii) and hen "Save"
iv) Close and re-open it and see!
See what happen