> I came across HTTrack while searching the web. I
> have read some of the documentation but can some
> confirm whether HTTrack will do the following in
> UNIX environment (need to automate).
> 
> 1) Given a URL, grab an image of the what is
> displayed by the URL.  If so, what type of image is
> saved?

HTTrack does not capture a graphical image, if that's what you mean.  It
attempts to mirror remote pages/files so it can be replicated and browsed
locally & offline.