As some have said, reality is quite different. For example, my two last jobs: - company uses Microsoft stack (.net, SQL server, windows server), so its 100 emp

As some have said, reality is quite different. For example, my two last jobs: - company uses Microsoft stack (.net, SQL server, windows server), so its 100 employees are also on windows - company let's its 50 employees pick what they want, which is mostly MacOS Why? Because it's less effort maintaining, and you don't run into compatibility problems for your other programs. With virtualization and docker, you can simulate your production servers much more easily than before! Personally, I am a fan of Linux, having used Ubuntu, Debian and Manjaro, but nowadays use windows+wsl+docker for everything.