Yup. "Computer to computer should not be seen without a device in between (unless playing ROTT with your housemates)" 35 years ago maybe :) I had serial and p

Yup. "Computer to computer should not be seen without a device in between (unless playing ROTT with your housemates)" 35 years ago maybe :) I had serial and parallel socket, and routerless networking happening on my home systems :) Use cases? Emergencies and maybe dedicated backup.