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August 17, 2011

HOWTO Create ISO on Mac OS X

Learn how to create an ISO file from a CD or DVD on Mac OS X using Terminal commands. Step-by-step instructions for unmounting, creating, and testing ISO images.

Found here:

  1. Insert CD/DVD source
  2. Fire up a Terminal, you can then determine the device that is you CD/DVD drive using the following command:

$ drutil status Vendor   Product           Rev MATSHITA DVD-R   UJ-835E   GAND

      Type: DVD-ROM              Name: /dev/disk1  Cur Write:    8x DVD          Sessions: 1  Max Write:    8x DVD            Tracks: 1

Overwritable:   00:00:00         blocks:        0 /   0.00MB /   0.00MiB     Space Free:   00:00:00         blocks:        0 /   0.00MB /   0.00MiB     Space Used:  364:08:27         blocks:  1638627 /   3.36GB /   3.13GiB    Writability:      Book Type: DVD-ROM

  1. Unmount the disk with the following command:

$ diskutil unmountDisk /dev/disk1 Disk /dev/disk1 unmounted

  1. Create the ISO file with the dd utility (may take some time):

$ dd if=/dev/disk1 of=file.iso bs=2048

  1. Test the ISO image by mounting the new file (or open with Finder):

$ hdid file.iso

  1. The ISO image can then be burnt to a blank CD/DVD.