Personal Computer Museum, Canada's Videogame Museum

IBM DOS 4.00 (5.25 floppy)

IBM DOS 4.00 (5.25 floppy)
IBM DOS 4.00 (5.25 floppy)

Floppy (5.25")5



Release Date: 7/1/1988
Manufacturer: IBM
Original Retail Price:
Adjusted Inflation Price:
IBM ships DOS 4.0. It adds a shell menu interface and support for hard disk partitions over 32 MB.
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