Top500.org has published one more time the list of the 500 world’s most powerful supercomputers. And once more, Linux is the operating system with the strongest presence in these machines.
98'8% of supercomputers run Linux, and the remaining 1,2% run Unix.
This list is published twice a year and the last six rankings had Tianhe-2 in the first position. This supercomputer was developed by China’s National University of Defense Technology
As a point of interest, nowadays China nearly tripled the number of systems on the latest list, while the number of systems in the United States has fallen to the lower point since the 1993.
You can have a look at all the info and the full ranking in the following link