>The various *BSD's have & use the actual Bourne shell ....
>
>
Which one? All the BSDs I know of use the Almquist Shell except for
OpenBSD which uses a patched version of the Public Domain Korn Shell
indeed, the man for sh(1) on freebsd 10.3 says (in part)
HISTORY
A sh command, the Thompson shell, appeared in Version 1
AT&T UNIX. It
was superseded in Version 7 AT&T UNIX by the Bourne shell,
which inher-
ited the name sh.
This version of sh was rewritten in 1989 under the BSD
license after the
Bourne shell from AT&T System V Release 4 UNIX.
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...
Jack
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