Mac OS X: Best Way to Make an ISO from a CD or DVD
Problem
Both command-line and screen-oriented pointers appreciated! update: I verified the disk utility, hdiutil, and dd methods. dd seems the fastest, 30 minutes on my macbook pro vs. 40 minutes for hdiutil. I was able to simplify dd to use just and For the DVD, I used /dev/disk2. I verified this with and unmounted it first.
Error Output
$ sudo umount /dev/disk2 $ dd if=/dev/disk2 of=mydisk.iso
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1 Fix
Fix for: Mac OS X: Best Way to Make an ISO from a CD or DVD
There are generally four ways to create a disk image on an OS X box: Disk Utility - The on-screen prompts will guide you, but it will by default create a .dmg, which is an OS X-specific file format. Disk Utility will also create an ISO (.cdr extension) if you select the "CD/DVD Master" option before creating the image. You can rename the extension (to .iso) after creation if desired. Roxio Toast - The de facto third-party standard in creating optical media on Mac OS for over a decade, it will c…
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