I doubt this myself, but here you go: https://www.t4.ai/industry/server-operating-system-market-share https://www.t4.ai/industry/server-operating-system-market-

I doubt this myself, but here you go: https://www.t4.ai/industry/server-operating-system-market-share https://www.t4.ai/industry/server-operating-system-market-sh... TL;DC; 2018: 48% Windows 34% Red Hat 18% rest. Again, servers are probably largely irrelevant for dist upgrade. On desktop the prevalence is clear.