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Mac OS X Power Hound, Second Edition by Rob Griffiths

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Disk Utility

For Panther, Apple merged the abilities of the old Disk Copy (for making disk images) and the old Disk Utility (for repairing disks) into the all-new, super-convenient Disk Utility. At the same time, however, Apple moved disk image-opening capabilities into the invisible DiskImageMounter program, which launches every time you double-click a disk image in the Finder or download one in Safari.

Still, Disk Utility holds plenty of hidden tricks. You can find the program in Applications > Utilities.

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