Portal Server uses the following directories for installing specific packages in the filesystem and for installing Portal Server specific packages and other files into the file system.
/opt/SUNWportal (/opt is a default that can be changed during installation)
/etc/opt/SUNWportal
/var/opt/SUNWportal
Most Portal Server Java classes are defined in packages under the com.sun.portal package name. The Portal Server is installed as web application portal on the /portal URI in the web container.