In a 1991 interview in ''Computer Reseller News'', Microsoft Chairman Bill Gates stated that "Digital Research only exists to duplicate Microsoft operating systems." However, a lawsuit over Microsoft practices related to DR-DOS and CP/M-86 led to a $150,000,000 payment by Microsoft to Caldera Systems, who had bought the platform from Novell.
== Releases for CPC related == CP/M has a machine independent part which is provided by Digital Research and a machine dependent version which was implemented by the vendor. In Amstrad's case this was implemented by Amstrad and Locomotive Software.
* [[CP/M|CP/M 2.2]]