Tianhe-2 is the most powerful supercomputer in the world, and it resides in China. Besides the awesome power that it commands, it's also running Ubuntu.
It's a well-known fact that most supercomputers in the world are running some sort of Linux distributions, and that doesn't happen by mistake. There is no Linux authority out there that lobbies to get the OS running on supercomputers. There are incredibly expensive pieces of machinery, and you want to have the best running ... (read more)