[Leisler]

The Shuttle still or until recently ran off floppy disks. A tool is a tool. If it does it's assigned task, move your attention, time and money to other things.

Mac's run over DOS too. Apple was just first with the easy user interface applied over DOS. All pc’s run off UNIX. 99% percent of Apple physical parts are common with Windows/Linux machines, and can be used by either/or.

[Hazwaste]

Mac's run over DOS too. Apple was just first with the easy user interface applied over DOS. All pc’s run off UNIX.

Apple OSes have never "run over DOS". Apple's current OS is derived from Unix though.

As for all PCs running off of Unix, yes they CAN run off of versions of Unix (e.g. Linux), but the Windows OS and Unix are two completely different OSes altogether.