quote: Amazon, Ebay, Netflix, Facebook, Google , etc. all run their business on Linux. The biggest of the big. Millions of servers in total, all running Linux, all the core of their business. Only the handful of front office pee-cee's that the bean-counters and secretaries sit at run Windows.
quote: Critical infrastructure like traffic lights, draw bridges, locomotives, cargo ships, all these run embedded UNIX like QNX, VxWorks, and Linux.