Well, it's quite unfair to all the version between "System 1" to "Mac OS 9" to start with OS X :) Sure, it share almost no code (AFAIK), but it does share some

Well, it's quite unfair to all the version between "System 1" to "Mac OS 9" to start with OS X :) Sure, it share almost no code (AFAIK), but it does share some design philosophy.