> 1. How do you delete the unwanted titles, subjects, etc. after making
> changes in the collection
>
What do you mean?
You can edit the metadata in the Enrich pane, and delete any unwanted
metadata from there.
If you want to remove classifications that are no longer needed, remove
them from the browsing classifiers list in the Design pane.
If you make changes like this you will need to rebuild the collection
for the changes to take effect.

> 2. How do you disable the the HOME HELP PREFERENCES and ABOUT if you want to
> lock a collection on the main menu of the Collection. Where it is just the
> Title of the Collection follow by the access points of the collection.
>

If you just want to do this for individual collections, you can create a
file called extra.dm, in each gsdl/collect/<collname>/macros directory.
In it put the following:

package Global

_javalinks_ {}

package about

{}

If you want to do this for all collections, change the _javalinks_ macro
in gsdl/macros/base.dm, and the macro in about.dm to be
empty (like above)

Regards,
Katherine Don