In article <1123597920.12050.240299269@webmail.messagingengine.com> you wrote:
> My Macintosh comes with Bzip2, GNU Tar, and InfoZIP. Any thoughts on
> which 
> tool would be best for this purpose?

bzip2 is just for (single) file compression
GNU tar is probably ok
I don't know InfoZIP

If it's there, you could also try pax, which is covered by SUSv3 and at 
least present on NetBSD. It should be able to write multiple formats.


 - Hubert