HamsterOS fits on just a single 1.44 MB floppy disk, and it's set for a full release this November.
It'll get a public release in a few months.
The North Korean government appears to have developed its own graphical Linux-based "Red Star" operating system, though its people still prefer that symbol of Yankee high-tech imperialism, Microsoft ...
When you played the Nintendo Entertainment System, you were close to the hardware. It’s why you can pull off remarkable glitch hacks, like playing Tennis to hot-boot into broken Super Mario Bros.