On 1/25/04 19:21, "Peter Marreck" <prm1 at cornell.edu> wrote: > The advantage of using dmg over tar is the still-present resource-fork > issue with Macs. Not to mention, you can double-click-mount the image, > even a segmented one (as long as all segments are present in the same > directory)... You can't do that with tar. The final advantage is the > internal compression (although, yes, gzip is doable for that angle...) The disadvantage - and I've seen this, when I used to use DMGs for archives - is that if one byte gets screwed up you won't be able to mount the DMG. I think you should definitely avoid any type of compression for any long-term archiving. Kirk My Latest Book: Mastering Mac OS X: Panther Edition http://www.mcelhearn.com/panther.html . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . kirk at mcelhearn.com | http://www.mcelhearn.com . . . . . . . . Kirk McElhearn | Chemin de la Lauze | 05600 Guillestre | France . .