1. Linux
  2. TempleOS
  3. Mac
  4. Intel Management Engine
  5. W.*

EDIT: I’ll add any system that gets at least five votes in the comments. Let’s roll.

  • carbon_dated
    9·
    3 years ago

    I think it is slightly modified, but yeah I think it is basically Minix.

    • KSPAtlas
      10·
      3 years ago

      So is Minix one of the most popular OSes in the world?