Volumes
Tasks
Mount a DMG from the Command Line in Mac OS X
hdiutil — manipulate disk images (attach, verify, create, etc)
hdiutil attach /path/to/diskimage.dmg
hdiutil detach /dev/disk1s2
hdiutil info
hdiutil attach /path/to/diskimage.dmg
hdiutil detach /dev/disk1s2
hdiutil info