1.Go to notepad.                                                                          

2.Type in @echo off

color 2
:start
echo %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% %random%
goto start

3. In The Left Hand Corner click File Then Save As.

4.Save It As Matrix.bat

5. Your Done