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MS DOS personal computer operating system box by Microsoft on a white background with text space Stock Photo - Alamy
![Microsoft Releases Source Code for Early MS-DOS and Word Versions | ITPro Today: IT News, How-Tos, Trends, Case Studies, Career Tips, More Microsoft Releases Source Code for Early MS-DOS and Word Versions | ITPro Today: IT News, How-Tos, Trends, Case Studies, Career Tips, More](https://www.itprotoday.com/sites/itprotoday.com/files/uploads/2014/03/chm-hero_0.jpg)
Microsoft Releases Source Code for Early MS-DOS and Word Versions | ITPro Today: IT News, How-Tos, Trends, Case Studies, Career Tips, More
![MS DOS personal computer operating system box by Microsoft on a white background with text space Stock Photo - Alamy MS DOS personal computer operating system box by Microsoft on a white background with text space Stock Photo - Alamy](https://c8.alamy.com/comp/2GG5R2F/ms-dos-personal-computer-operating-system-box-by-microsoft-on-a-white-background-with-text-space-2GG5R2F.jpg)