Interesting article; I remember seeing DR DOS in the eighties and that everyone told me that it was superior to MS DOS, but I never cared enough, and it's great that now we can learn the details of all the ploys at the time.

we used dr-dos into the 90s. aside from being a great dos with lots of ram. >720k it also had netwars which whiled away a few hours when you were waiting for someone to get back to you.

https://www.youtube.com/watch?v=a30Fwd-gisI