Most body of knowledge built from working with Linux and Windows can be wholly ignored when building the New Operating System. There is barely anything worth of salvaging in either of the 'operating systems' or their lessons learned (besides not doing what they did).
I guess some of the GUI stuff is worth something, but you can just make a ray traced OS with Unity so.
I guess some of the GUI stuff is worth something, but you can just make a ray traced OS with Unity so.