02-16-2007, 05:19 AM
In the Terminal use:
$ hdiutil imageinfo yourdiskimage.dmg
In the output you should find a line like this:
Format Description: UDIF read-only compressed (zlib)
$ hdiutil imageinfo yourdiskimage.dmg
In the output you should find a line like this:
Format Description: UDIF read-only compressed (zlib)