specific_args_and_opts] [-quiet | -verbose | -debug] [-plist]
Manages disk images, performing some of the same functions as the Disk Utility application. The "Options" section highlights some common uses, but the full set of commands (and associated arguments and options) is extensive and isn't detailed here. See the hdiutil manpage or run hdiutil help for more assistance.
Attach a disk image to a device node and mount it. As arguments, it takes the filename of a disk image and a possible list of options , some of which are:
Automatically open read/write volumes in the Finder after they're mounted.
Print a usage summary to standard output.
If there's only one volume in the disk image, mount it at mount point specified as an argument, instead of under /Volumes/.
Mount volumes under a directory specified as an argument instead of under /Volumes/.
Disable automatic opening of read-only volumes in the Finder after they're mounted.
Create device nodes in /dev and attach the image or its partitions to them, but don't mount them.
Disable verification of disk images containing checksums.
Disable write access to the mounted image.
Pass modifications to the disk image through to a shadow image. Subsequent access to the modified data will be from the shadow, which allows effective read/write access to data on a disk image that shouldn't or can't ...