-------------------------<snip>---------------------
You have also missed some small relatively insignificant OS's.
TPS (Tape Programming System)
DPS (Disk Programming System)
BPS (Basic Programming System although it might have been CPS for Card)
These all run on the System360/20 machines.
---------------------------<unsnip>------------------------
BPS also ran on the 360/44, from that little single-platter disk is the
side of the CPU.
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