Aperturescience...

Well I am sure a lot of you have played the Orange Box.
I have had it since release. And decided to finish it all off.

Maybe all of you know this already but I am going to post it anyway.

There is some interesting clues throughout Portal that directs you to http://www.aperturescience.com/

Once there
Username: CJOHNSON
Password: TIER3

At the prompt type help for a list of commands...