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How to burn ISO disc images
Authored by: deeproy on Jan 12, '08 12:10:34PM
I found this at slashdotdash. It is really useful for creating iso files in 10.4 - especially stubborn ones that won't build through disk util:

1. Insert CD/DVD source

2. From the terminal you need to discover the location of your CD-ROM:

$ drutil status

You are looking for the following - Name: /dev/disk1

3. Umount the disk with the following command:

$ diskutil unmountDisk /dev/disk1

4. Create the ISO file with the dd utility:

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

5. Test the ISO image by mounting the iso:

$ hdid file.iso

6. Burn or store the ISO.

To remount the CD, use

$ diskutil mountDisk /dev/disk1

If you need to burn a bootable disk (or one with hidden sectors like say a Windows install disk), replace the command:

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

With

$ dd if=/dev/disk1s0 of=file.iso bs=2048

I've never had this fail on me. But be warned, you can hose a lot with the dd command.

Ref: http://www.slashdotdash.net/articles/2006/08/14/create-iso-cd-dvd-image-with-mac-os-x-tiger-10-4

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