On Thu, 28 May 2020, Liam Proven via cctalk wrote:

On Thu, 28 May 2020 at 21:11, geneb <ge...@deltasoft.com> wrote:

CP/M was huge in the US, especially among the S-100 system users.  It was
a pretty narrow window though - from probably 1978-1982.  Kaypro had a
good portion of the market as well, but like pretty much all the other
manufacturers of CP/M machines, the IBM PC compatible juggernaut beat them
cold before they fully understood the fight.  I'm not aware of any CP/M
machine manufacturer that was able to successfully transition to the PC
compatible market.  Some (like Kaypro) tried with offerings like the
Kaypro 16 and Kaypro 2000, but I suspect at that point it was too little,
too late.  They simply couldn't compete with the uber cheap hardware
coming in from overseas.

The $64K question is, of course, how big that market was.

For businesses, I expect it was pretty large. CP/M was never really aimed at home users. There were also things like TurboDOS and MP/M-II that were basically multi-user CP/M systems. Two or more Z-80 SBCs in an S-100 bus with serial terminals. They shared disk (hard & floppy) resources.

g.


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