Command Line Matrix Code.
Key this into command prompt and you should get something resembling matrix visuals.
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@echo off
color 2
:start
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%