Installp is the main software packaging format used on AIX. When you install a installp fileset on an AIX server it installs files in to the appropriate directories on the AIX server. You can easily see a list of files that a installp package installed on the server by running "lslpp -f fileset " (where fileset is the name of any installed fileset).
When you install a installp fileset there is more going on then just files getting copied to the right place. Most filesets also include several scripts... [More]