Dan Cross <crossd@gmail.com> wrote:

> Geoff Collyer wrote a nice paper about experiences porting the 9th Edition
> shell to SunOS 3 on the 68k some years ago.
> http://www.collyer.net/who/geoff/sh.tour.pdf
>
> There is a copy of source code on his personal web page:
> http://www.collyer.net/who/geoff/
>
> I wonder if any of the 8th edition shell changes you mentioned survived in
> that code?

It took less than 10 minutes to get it to compile under Linux. 'whatis'
is there, although the pretty printing of function code leaves
much to be desired.

Lacking is both readline and job control.

Arnold