debconf-show lets you query the debconf database in different ways.
The most common use is ``debconf-show packagename'', which displays all items
in the debconf database owned by a given package, and their current values.
Questions that have been asked already are prefixed with an '*'.
This can be useful as a debugging aid, and especially handy in bug reports
involving a package's use of debconf.
Specify the database to query. By default, debconf-show queries the main
Lists all owners of questions in the database. Generally an owner is
equivalent to a debian package name.