The toolset they use to run their containerlike system wrapping the games is called “pressure vessel”.

How deep does it go!!?

Their Linux containers are called scout for v1, soldier for v2 and sniper for v3.

By version 7, they will need new classes. TF3 confirmes!

But there are 9 classes?

Scout, Sniper, Soldier, Pyro, Heavy, Medic, Engineer, Spy, Demoman