[CentOS] Bourne shell deprecated?

Wed Apr 27 19:59:08 UTC 2016
JJB <jack at internetguy.net>

>>> >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)
>      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      was superseded in Version 7 AT&T UNIX by the Bourne shell,    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...