Where Apps are Stored on My HDD (like "Program Files")?

[Jason Moody]

On Thu, 2007-05-17 at 13:23 -0700, NoOp wrote:
> On 05/17/2007 09:31 AM, Jason Moody wrote:
> > I am really new to Linux. Ubuntu is the first Linux Distro I've ever
> > used. My question is pertaining to Firefox. I'm trying to set it up so
> > that when I subscribe to RSS Feeds it will use my reader. But it asks
> > where the app is located. (like in Windows "Program Files") I Googled it
> > and have been unable to get the answer. I believe it's /usr/lib but I'm
> > just not finding it. I'm just wanting to know where the applications I
> > install are being put on my hard-drive. Thanks for any replies.
> > 
> > 
> 
> Open the Synaptic Package Manager:
> System|Administration|Synaptic Package Manager
>   do a search on Firefox
> Search: firefox
>   you'll find 'firefox', right click on it and select Properties. Now
> click on the Installed Files tab - that will show you where all of
> Firefox's files are installed.
> 
> Hint: if you want to find where your FireFox profile is located; in FF
> URL bar enter: about:cache
> that will show you the path to the cache directory and should be
> /home/username/.mozilla/firefox/someidentifier/Cache
> 
> That said; I'm confused as to what RSS Feed would ask you where the app
> is located. Can you provide a link & also advise as to which version of
> FF  and Ubuntu you are using?
> 
> 
> 
I'm using Ubuntu 7.04 and Firefox 2.0.0.3. In Firefox if you go to
Edit->Preferences->Feeds then select "Subscribe to the feed using:" I
want to use Liferea (only feed reader I could find) automatically when I
select a feed in Firefox browser. That's my real question.