csh on System V

[Guy Harris]

>The SVR4 KSH, however, does have BSD style job control.  Yes, ^Z, fg, bg
>and the rest!

So does the Bourne shell, if you run it as "jsh".  It doesn't have
history, but then there are those who prefer to have stuff like history
in something like a pseudo-tty-based front end....

>There is still no pushd or popd, though there are several
>ways to do something similar.

Several of which have been posted to the net, and some of which are even
called "pushd" and "popd".  Said shell functions have been invented
several times....