At a glance
No longer sold, no longer supported
Text based, single tasking
Summary News Requirements Compatibility Interface Installation Variants
Versions Downloads Links Publisher Support Alternatives Secrets Pricing
Summary This was the first successful OS for the IBM PC platform, and was chosen by IBM for its PCs. Each major version added considerable improvements, but today is quite dated. Typical usage is with a command line interface, but a number of shells were produced that allows avoidance of the command line. Microsoft licensed MS-DOS to IBM, which produced their minor variant PC-DOS.
News MS-DOS is no longer sold or supported by Microsoft, but the commands can be run from a "DOS box" of Windows.
All sales in all channels were discontinued after November 30, 2001.
Product MS-DOS 6.22
Processor 8086, 80386 or better for advanced memory management
RAM 512 KB
Drive space 5 MB
Drives Runs from hard disk or diskette
Video Monochrome, CGA, EGA, VGA or better
File systems FAT
Compatibility DOS programs
DOS device drivers
Interface Text based OS. With the addition of Windows 3.x, the user gets a GUI like OS.
Installation DOS must be installed on a primary partition on the first drive.
Variants Full
Upgrade from prior versions of MS/PC-DOS
Versions V1.0 1981 First release
V1.25 Jun-1982 Bug fixes, double sided floppy support
V2.0 Mar-1983 Hard disk support, print spooling, installable device drivers
V2.01 1983 International support
V2.11 1983 Bug fixes
V3.0 Aug-1984 Larger hard disk support, file locking, extended error reporting
V3.1 Nov-1994 Network print and file sharing, supports Windows 1.0
V3.2 1986 Support for 3.5" diskettes
V3.3 1987 Improved multi-language support
V3.31 1987 Bug fixes
V4.0 1988 Visual shell, support for logical partitions larger than 32 MB
V5.0 9-Apr-1991 Bug fixes
V6.00 10-Mar-1993 Bundled various utilities, disk compression
V6.20 30-Sep-1993 Improved disk compression
V6.21 1994 - Removed disk compression (patent issue)
V6.22 31-May-1994 - New disk compression added
Downloads None
Links Microsoft
Books Categories: All DOS - DR-DOS - MS-DOS - PC-DOS

Microsoft Corporation
One Microsoft Way
Redmond, WA 98052 USA

Phone 1-206-635-7000 (support, maybe)

Support None
Alternatives DR-DOS, FreeDOS, Windows, Linux
Secrets Command line options
Pricing Retail price: n/a
Upgrade price: n/a
Compare n/a

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