Comment on Rivals can create copycat software through testing and user manuals: UK courtparentComments−LukeShu12yBSD was not "clean-room", and AT&T sued when it was freely distributed, because they didn't believe that all AT&T code had been removed.https://en.wikipedia.org/wiki/USL_v._BSDi
Comments
BSD was not "clean-room", and AT&T sued when it was freely distributed, because they didn't believe that all AT&T code had been removed.
https://en.wikipedia.org/wiki/USL_v._BSDi