Nautilus on RH 9.0 works kind of like this.  It doesn't actually mount 
it as a file system, but I can browse a tar or archive file like a file 
system.

Jonathan Hutchins wrote:

>On Tuesday 14 October 2003 5:03 am, david nicol wrote:
>
>  
>
>>I've often thought that a tool that mounts a tar archive like
>>a file system would be very useful, if it existed it would work for
>>this purpose.
>>    
>>
>
>MC (Midnight Commander) will indeed do so, as will Konqueror (visual file 
>browser in KDE).  Pretty sure most of the modern file browsers do so.  I'm 
>starting to keep some of my doc files in compressed format.
>
>
>
>  
>

-- 
There are only 10 types of people in the world: 
Those who understand binary, and those who don't