The screen within a screen actually made the experience pretty surreal! (The warped screen effect was very effective.) The loud clacking of my keyboard put me in a "quick coder" mindset and added a lot of weight to the experience. I look forward to a game like this with more commands at my disposal. I can't even imagine the directions it could go! My only complaint, and it's a minor one, was that I wish closing the door before the virus getting there was a little more forgiving. A few times I could see the virus wasn't blocking the door, but the command prompt told me I was! I was still able to get through all the levels, so it wasn't impossible.
Thanks for the weird game experience! I really liked it!