They are both installed in /opt/hpapache2 area if you isntalled of depots. This assumes you are installing Apache v2.
The webadmin program is quite nice, lets you make all kinds of chagnes to your httpd server by connecting to a web page, pointing and clicking.
SEP
Steven E Protter
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com