MS-DOS 3.21

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MS-DOS 3.21
Version of MS-DOS
Placeholder.png
Version3.21
Release date1987-05
Replaces
MS-DOS 3.20
Replaced by
MS-DOS 3.22

MS-DOS 3.21 primarily fixes small bugs, and adds support for IBM Enhanced/IBM Convertible keyboards. Although a minor update, 3.21 was sold with a large number of OEM machines.[1]

References[edit]