Clay Fandre wrote:
> 
> Phil Mendelsohn wrote:
> >
> > Does anyone remember the name of the utility that was mentioned to tell
> > what OS a server is running?
> >
> > BTW, www.irs.gov is one heck of a useful website -- and good too.  (I
> > would be really tickled to see if it were running on Linux).
> >
> 
> http://www.netcraft.com

And no, they're running HP-UX.

http://uptime.netcraft.com/up/graph/?host=www.irs.gov