RobCo Unified Operating System was presented in a legendary game series - "Fallout". It allows player to interact with computer terminals. Player must "hack" Robco UOS in maintance mode to get access to information, doors and secure storages.
Here you can find RobCo UOS recreated on Turbo Pascal language. This version have an identical to in-game terminals hacking process and looks almost the same.
Additionally there is a text reader/editor, completely customizable menu and title, lpt port controller and other interesting features.
DOWNLOAD
Direct download. Archive contains UOS Emulator and configured version of DosBox 0.74
Version: 4.0.0 "Goodsprings"
Date: 15.08.15
Q: What is it?
A: Remake of the RobCo Unified Operating System on Turbo Pascal language.
Q: What is this RobCo thing?
A: In Fallout game universe computers and terminals working on RobCo UOS.
Q: Is it free?
A: Yes, it's free and opensource. If you want you can donate.
Q: Can I get source code?
A: Yes, you can find it in source section above.
Q: How to install/run/hack/login/change etc.?
A: You'll find all information in README.TXT file in downloaded archive.
SOURCE
Since I'm not a good programmer (just kidding, I'm not a programmer at all), the source code may seem to you horrible, illogical, and generally bad. Sorry :)