Fair enough. I know some open source hobbyist OSes which are non-DOS/Unix variants... sadly they are X86 only, like Visopsys or Kolibri. For something non-X86,

Fair enough. I know some open source hobbyist OSes which are non-DOS/Unix variants... sadly they are X86 only, like Visopsys or Kolibri. For something non-X86, try digging at: http://wiki.osdev.org/Projects http://wiki.osdev.org/Projects Perhaps you can find something suits your preference.