> Shipping your PC with "some linux distro" means you have to support that linux distro.
But they do offer to ship with a Linux distro, even apart from this strange frankensystem option. Did you miss where straight Ubuntu is a pre-install option?
Oops, you're right. I did look at the screenshot before but totally misread it (probably because Ubuntu is just blank in the price column rather than $0, and there's no horizontal lines (thanks Tufte)).
But why or how? I just don't see that at all. Dell won't "support" FreeDOS either. It could be just a basic Ubuntu install that's broken as hell, and I don't see why or how Dell would need to support that.
Selling it with freedos, you only have to support freedos, and people who buy that option will install something else anyway.