MS-DOS 2.0 bringing in hierarchical directories, pipes, and few other things (all credited to Unix) is considered by some the point where CP/M actually lost. B

MS-DOS 2.0 bringing in hierarchical directories, pipes, and few other things (all credited to Unix) is considered by some the point where CP/M actually lost. Before, DOS was playing catch up by ease of porting from CP/M, afterwards it was actually bringing in new features users wanted.