The June 2013 TOP500 supercomputer list is in and 476 of the top 500 fastest supercomputers in the world run Linux.

Is that good enough for you? While Linux fans and critics obsess about Linux's failure to sweep Windows off the desktop, they're ignoring that Linux is winning everywhere else and that when it comes to the highest of high-end computing, Linux rules.

Driving the point home, the top ten fastest supercomputers all run Linux of one sort or the other. You have to go the way to the 44th fastest computer, the European Centre for Medium-Range Weather Forecasts box, which runs IBM's AIX Unix variant, to find one that doesn't run Linux.

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