if the installation has been done properly ... everything is already in place
since to reply I would have to look at the DB2 installation and customization manual and cut and paste what is written there, no reason not to look at it Yourself
cheers enrico When I tell somebody to RTFM or STFW I usually have the page open in another tab/window of my browser, so that I am sure that the information requested can be reached with a very small effort