0 Matrix Effect Trick In this trick i will show you to make a batch file in notepad which will act as matrix effect that you might have seen in movies.Matrix effect is basically number flashes in green color. 1. Open Notepad and copy below code into it. @echo off color 02 :start echo %random% %random% %random% %random% %random% %random% %random% %random% %random% %random% goto start 2. Now save this file as Matrix.bat(name can be anything but .bat is must) 3. Open your saved file and you will have matrix effect on your screen.