Default application for clicking on a desktop symbol in F7

[David Timms]

Mark Knoop wrote:
> Joachim Backes wrote:
>> Hi,
>>
>> howto change the default application if I click on files on the GNOME
>> desktop? For example call acroread instead of kpdf when clicking on a
>> pdf file symbol. I modified /usr/share/applications/defaults.list, but
>> this did not help.
>>
>> Ckecking the forums did not help too.
> 
> Right-click a pdf and choose 'Open With Other Application...' then
> choose which program you would like to use.
Does that become permanent default for that type of files ? It doesn't 
seem to on my machine, it just gets added to the list of possibilities.

DaveT.