Critical subway systems running win applications through Wine.
I don't even see the screens anymore. All I see is Vista, 8, 8, XP POS, Ubuntu, 10....
Banking systems running COBOL on IBM mainframes. So archaic that even hackers can't understand the code, and if they did the bank would pay them voluntarily tp sort it out, and the hackers would say no, because COBOL, eww.
Solid distro.
sudo make me a sandwich