Tuesday, March 25, 2014

Microsoft makes source code for MS-DOS and Word for Windows available to public

Microsoft Corporation, made available original source code for two historic programs: MS-DOS, the 1982 "Disk Operating System" for IBM-compatible personal computers, and Word for Windows, the 1990 Windows-based version of their word processor.

SCP later sued Microsoft, claiming that they had concealed its relationship with IBM in order to purchase the operating system cheaply. SCP ultimately settled out of court for almost $1M.

“86-DOS”, which had been written by Tim Paterson at Seattle Computer Products (SCP)

Tim Paterson (born 1956) is an American computer programmer, best known as the original author of MS-DOS, the most widely used personal computer operating system in the 1980s.

For a blog posting surrounding the release of this source code, please visit: 

Download Microsoft DOS V1.1 and V2.0 Source Code

Other historical source code releases in this series include IBM’s APL programming language, Apple II DOS, Adobe’s Photoshop, Apple Macpaint/QuickDraw, and Microsoft’s Word for Windows

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