Ever wondered what the User Interface for controlling a Soyuz-TMA spaceship looks like? Thanks to Astronaut.ru you can download a training program, used by the astronauts, as a DOS executable, run it with DOSBox and try your luck. This is what it’s like:
Some of the strings in English:
It is time.
Another screen shown running on the actual display:
If you want to dive in more, Slava Gerovitch at MIT has published an extensive set of information on the Russian space program in English, this is a good start at the computer systems by Yurii Tiapchenko. The level of knowledge that has accumulated in this is just mind boggling.