3 thoughts on “Command to make a CD/DVD ISO Image in Linux with dd

  1. FYI dd is making a copy of an existing iso9660 file structure from the CD to the output file, dd can not create an iso9660 image from scratch.

  2. Something’s not working correctly…

    With one video DVD (that I lawfully purchased!) brasero 2.32 creates a 4,673,273,856 byte ISO, but “dd bs=1024 if=/dev/sr0” creates a 4,383,023,104 byte ISO.

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