The message at the beginning of start-up

The message at the beginning of start-up

Add the following text in autoexec.bat file:

Echo off
Cls
This computer's Echo JMS
Echo.
Echo So do not randomized yah ...
Echo.
For%% C in (ABCDEFGHIJKL) do Dir C: \ Windows> Null
Echo.
Echo If all kinds, AWAS ..!!!

So every time your computer is booted, these messages will appear. Writing that begins with Echo Can you replace with your own messages. So you can jahilin friend who still lay in the computer with strange writings, like "This computer virus DIE HARD .." Your friend must have confused.