The original source code for two of Microsoft’s most widely-used products, MS-DOS and Word For Windows, has been made publicly available for the first time.This means developers and home computing hobbyists can now get their hands on the source code for the version 1.1 1982 edition of MS-DOS, as well as version 2.0 that dates back to 1983.
via MS-DOS & Word for Windows original source code released | IT PRO.