Linux might be struggling for a decent desktop market share but it is definitely ruling the world of supercomputers. Linux is the supercomputer operating system by choice. As per the latest report from Top 500, Linux now runs on all the fastest 500 supercomputers in the world. The previous number was 498 as the remaining two supercomputers ran Unix back in around 2017. Top500 is an independent project that was launched in 1993 to benchmark supercomputers. It publishes the detai