No, you wouldn't — if you're old enough to remember DOS, you're old enough to have received something resembling an education and would already know the difference between a backward leaning slash and a forward leaning one ... even if only because, when you first started learning DOS, you had to get used to this weird 'slash'-like character that neither you nor anyone you knew had ever seen before unless you had prior experience escaping chars in Unix.

The only people who, today, might think that are the post-X generations, 99% of whom will never have heard the word 'computer' before and the remaining 1% of whom will think it's either their phone or an abacus — in the latter case, however, they won't know how to turn it on any more than they'd know how to plug a washboard into the electricity outlet.