I used os/2 warp for multitasking, but serial io was like 200bps slower even with some add-on serial drivers and ultimately switch to tried and true desqview.
Our first isp back home was a dialup SCO Unix shell. I remember when they announced adding a new disk for their usenet storage.
Speaking of which.. ive searched high and low for a NNTP gateway thats compatible with this forum software, but no luck.