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Bellins, M. (2011) Putting Microsoft on the Map: History of the MS-DOS Operating Systems, IBM & Microsoft. About.com Guide. http://inventors.about.com/od/computersoftware/a/Putting-Microsoft-On-The-Map.htm

has been cited by the following article:

• TITLE: A Code Correlation Comparison of the DOS and CP/M Operating Systems

  AUTHORS: Robert Zeidman

  KEYWORDS: DOS, CP/M, Copyright Infringement, Software Forensics, Software Correlation

  JOURNAL NAME: Journal of Software Engineering and Applications, Vol.7 No.6, May 28, 2014

  ABSTRACT: For years, rumors have circulated that the code for the original DOS operating system created by Microsoft for the IBM personal computer is actually copied from the CP/M operating system developed by Digital Research Incorporated. In this paper, scientifically tested and accepted forensic analysis mathematical techniques, step-by-step processes, and advanced software code comparison tools are used to compare early versions of the two code bases. The conclusion is reached that no copying of code takes place1.