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Computer Cousins: The Atari ST and DOS PCs
I heard it's DOScember...
Having a compatible disk format made file transfer between PCs and STs trivially easy: just copy stuff onto and then from a floppy. For a short while there was a market for external 5.25” drives for the ST, but PCs soon also switched to 3.5” disks making things even easier. I remember you could even set it up to work with a hard drive partition so you could more easily run PC programs such as Lotus or Turbo Pascal.
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