On Sun, 2026-03-01 at 14:18 -0600, Steve Lewis via cctalk wrote: > I've seen OS's loaded from vinyl records and reel-to-reel, just never > imaged one being loaded from any kind of paper. :)
IMSAI and ALTAIR S-100 computer enthusiasts loaded code from audio tape in "Kansas City" format. Computer magazines published programs in bar code that you could scan into your computer with a light-pen bar-code reader and a ruler. > But as far as I can > tell, CTSS and Atlas Supervisor were probably "single digit > installations". The first widely-deployed OS possibly was possibly > CDC's > scope (meaning, more than a few hundred installations). Even MULTICS > had a > fairly limited install base (as far as I can determine).
