I love linux. Use Windows for office stuff but am running Linux on a couple of other systems. Very efficient for older systems and there is a lot of software out there - ham radio, photography, music, programming, etc...
An interesting metric at ZD Net:
The world's fastest supercomputers hit higher speeds than ever with Linux
Yes, there's a lot of talk now about how quantum computers can do jobs in 200 seconds that would take the world's fastest supercomputers 10,000 years. That's nice. But the simple truth is, for almost all jobs, supercomputers are faster than anything else on the planet. And, in the latest Top 500 supercomputer ratings, the average speed of these Linux-powered racers is now an astonishing 1.14 petaflops.
The fastest of the fast machines haven't changed since the June 2019 Top 500 supercomputer list. Leading the way is Oak Ridge National Laboratory's Summit system, which holds top honors with an HPL result of 148.6 petaflops. This is an IBM-built supercomputer using Power9 CPUs and NVIDIA Tesla V100 GPUs.
In a rather distant second place is another IBM machine: Lawrence Livermore National Laboratory's Sierra system. It uses the same chips, but it "only" hit a speed of 94.6 petaflops.
Close behind at No. 3 is the Sunway TaihuLight supercomputer, with an HPL mark of 93.0 petaflops. TaihuLight was developed by China's National Research Center of Parallel Computer Engineering and Technology (NRCPC) and is installed at the National Supercomputing Center in Wuxi. It is powered exclusively by Sunway's SW26010 processors.
That is fast...
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