1) Your response has nothing at all to do with my original point. 2) I didn't say you can do it easily, I said you CAN do it. 3) Yes and I can run decades old

1) Your response has nothing at all to do with my original point. 2) I didn't say you can do it easily, I said you CAN do it. 3) Yes and I can run decades old UNIX software on OS X or Ubuntu. So what? My point about debatable backwards compatibility is that some old DOS software does NOT work well in modern Windows. Some does, some doesn't. If you haven't experienced problems, lucky you. 4) You made my point for me here. I'm not arguing any further, you're clearly a zealot, and have exactly the kind of attitude I was talking about.