How different he world would be if that had happened. Everything would be a unix-derivitave or unix-alike maybe aside from some very niche mainframe or embedded systems. The ecosystems between MS, Apple and Linux would be more directly cross-pollinated, if Linux was even started at all.
I don't know if that would have been a better world but I'd like to think so. At least it would have saved the world years of aggravation dealing with win/dos instability.