I don't know if this is true, but Microsoft (or Cutler ) allegedly stole some of the MICA source code and used it in Windows NT. "According to inside sources,

I don't know if this is true, but Microsoft (or Cutler ) allegedly stole some of the MICA source code and used it in Windows NT. "According to inside sources, many portions of NT’s code and even the comments were identical to Mica. As a result, Digital sued Microsoft. Microsoft and Digital settled out of court and the result was the Digital/Microsoft Alliance. " [0][1] [0] https://www.itprotoday.com/compute-engines/death-alpha-nt https://www.itprotoday.com/compute-engines/death-alpha-nt [1] https://techmonitor.ai/technology/dec_forced_microsoft_into_alliance_with_legal_threat https://techmonitor.ai/technology/dec_forced_microsoft_into_...