On 04/27/16 15:18, Chris Adams wrote: > Once upon a time, JJB <jack at internetguy.net> said: >> Interesting. Back in 1980 we called /bin/sh the Mashey shell. It >> did not have command substitution or other things we now take for >> granted. Bourne did that for us. So there's a version or two >> missing in history... > Check the history here: > > https://github.com/dspinellis/unix-history-repo > This history might be that of a particular lineage. CB UNIX and PWB UNIX existed in the gap between 1975 and 1979. https://en.wikipedia.org/wiki/CB_UNIX Jack