Dean,
   You are correct, the dmg file is basically akin to what a winzip
file is to windows.  After you install the program to the Applications
folder, you can discard the dmg file.  Just be aware that if you need
to reinstall the program for any reason, you will have to re-download
it again.

Derek

On Tue, Oct 16, 2012 at 12:27 AM, Dean Kukral <[log in to unmask]> wrote:
> In a bout of foolishness I  bought an Apple MacBook Retina.
>
> It doesn't have a lot of storage, so I don't want to waste space.
>
> I downloaded a "Starry Night Pro Plus" program to a starrynight.dmg file.
> (  dmg =  "download manager?" )
>
> It's well over 4GB, so I'd like to delete it.  I **think** its like an
> executable extraction file in Windows, so now that I've expanded it into the
> App's folder, I can delete the .dmg file.
>
> Is this correct, i.e. can I delete the .dmg file as it is no longer needed?
>
> Dean Kukral
>
>                         PCBUILD's List Owners:
>                      Bob Wright<[log in to unmask]>
>                        Mark Rode<[log in to unmask]>

                         PCBUILD's List Owners:
                      Bob Wright<[log in to unmask]>
                        Mark Rode<[log in to unmask]>