1:copy following text in note pad :
Firstly type notepad in start and open note pad
now write the following command.
@echo off
pause
color a
mode 1000
:matrix
echo %random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%%random%
goto matrix
2:Save as the written text into bat:
Now click file and click on save as a new window will open and it will ask to select a place to save file select the place and then save it as a batch file .
Now open the saved file and it will look like
If you want to make it surprise then make a shortcut of saved file and change its icon of what you want like icon of "my computer" and when ever some one will open it and he will be surprised
enjoy!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!