Creating an ISO image under ubuntu

[sdavmor]

I want to know what program I should use to make an ISO image
that I can then mount so that my VMWare virtual will see it as
a data CD.
-- 
Cheers,
SDM -- a 21st century schizoid man
Systems Theory internet music project links:
official site <www.systemstheory.net>
soundclick <www.soundclick.com/systemstheory>
garageband <www.garageband.com/artist/systemstheory>
"Soundtracks For Imaginary Movies" CD released Dec 2004
"Codetalkers" CD coming Nov 2006
NP: England vs Australia Ashes series on ABC radio