Do you like to say that the Mashey shell also used the
string stack and a
SIGSEV handler?
Don't think it did:
http://www.tuhs.org/cgi-bin/utree.pl?file=PWB1/sys/source/s2/sh.c
Well, from a talk from Stephen Bourne I know that both
the Bourne Shell and the
Mashey shell did start as a modified Thompson shell. I should have a look at the
Thompson shell sources…
Also did not:
http://www.tuhs.org/cgi-bin/utree.pl?file=V6/usr/source/s2/sh.c