pdksh what to do

Dear list, I posted a question a while ago about installing DB2 on linux. I down loaded the installation tar file from IBM and tried to exectue the installation program db2setup. I had an error which turned out to be because I need to be running pdksh (public domain korn shell). My question is I currently run bash on my suse 7.1 box. How do I install/load pdksh. Is it on the 7.1 professional cd's that I have ??? If anybody could help this linux newbie I would be most grateful. Kindest regards Neil Briggs