The first thing I did with computers that had any success was a WWIV BBS in the LA area called Altered States.

I think I ran it on a 386 under MS‑DOS. At some point I was getting about forty calls a day and the line was busy a lot. I would drop into sysop mode and talk to people sometimes. One of those times was actually a girl in real life. She ended up being my girlfriend for a couple of years -- fun times....