Importing mksh in base

[Edward Tomasz Napierała]

On 0125T1515, Daniel Eischen wrote:
> 
> > On Jan 25, 2019, at 2:53 PM, Bruce Evans <brde at optusnet.com.au> wrote:
> > 
> > I have used /bin/bash as the root shell for more about 20 years.  The
> > currently install version is slightly newer -- only about 15 years old
> > (bash-1.14.7(1) installed by mv'ing it from /usr/local/bin where some
> > port put it.
> 
> Just picking a recent post to reply to...
> 
> I've used bash on FreeBSD as the default shell for many years, ever since it became a port.  But I don't change root's shell, because I don't want it pointing off to /usr/local.  If there were a base bash-like shell, I'd use it so long as it had tab completion and up/down arrow for history recall.

FWIW, our current sh(1) already provides that, with the caveat that
the completion works fine for paths, but not quite for commands
themselves.