That's not exactly correct. Here is a snippet from an interview of B's creator, Ken Thompson in 1989, explaining this: "MSM: Did you develop B? Thompson: I d

That's not exactly correct. Here is a snippet from an interview of B's creator, Ken Thompson in 1989, explaining this: "MSM: Did you develop B? Thompson: I did B. MSM: As a subset of BCPL Thompson: It wasn't a subset. It was almost exactly the same. It was a interpreter instead of a compiler. It had two passes. One went into intermediate language and which one was the interpreter of the intermediate language. Dennis wrote a compiler for B, that worked out of the intermediate language." ~ https://www.princeton.edu/~hos/mike/transcripts/thompson.htm https://www.princeton.edu/~hos/mike/transcripts/thompson.htm