MS-DOS 3.20

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MS-DOS 3.20
Version of MS-DOS
Ms dos 3.20 hp pam.jpg
Version3.20
Release date1986-01
Replaces
MS-DOS 3.10C
Replaced by
MS-DOS 3.21

MS-DOS 3.20 is a version of MS-DOS, released in 1986-01. This version adds support for 3.5" double-density (DD) 720 kB floppy disk drives.