slackbuilds/system/pdksh

PD-ksh is a clone of the AT&T; Korn shell. At the moment, it has most of
the ksh88 features, not much of the ksh93 features, and a number of its
own features. pdksh was initially created by Eric Gisin using Charles
Forsyth's public domain V7 shell as a base as well as parts of the BRL
shell.