This agent is started at boot time, and communicates using either the TCP or UDP protocols through RPC.
In addition to command-line programs, several of these tools can also launch GUI versions in an X Window System display.
The commands log messages to an administrative area, which can be useful for diagnosing installation issues or just tracking what software is loaded or removed.
Software packages are organized in a hierarchy of containers, with the highest level being a bundle or product and the lowest being the filesets and then files.
They are useful for performing cleanup of previous packages, creating links, adding the software directory to various search environment variables, and so forth.