I'm a developer so I live and breath the file system tree. On the other hand, don't forget that the original Mac did not have a file system tree. Rather, it had

I'm a developer so I live and breath the file system tree. On the other hand, don't forget that the original Mac did not have a file system tree. Rather, it had a bunch of linked objects through which you could navigate. (It also had flags for file revision numbers which was never implemented.)