Microsoft company about opening the source code of the programming language interpreter , which came with the MS-DOS operating system. Code under the MIT license. The code is written in assembler for 8088 processors and is based on a cut of the original sources dated February 10, 1983.
Using the MIT license allows you to freely modify, distribute, and use the code in your products, but Microsoft will not accept pull requests in the main repository, as the code may be of interest only for historical and educational purposes.
The publication of GW-BASIC supplemented the year before last, the source code of the operating system , in repositories with which even certain activity.
Source: opennet.ru