• Convert .DMG images to .ISO: hdiutil convert /path/to/filename.dmg -format UDTO -o /path/to/savefile.iso
• BurnCMPlugIn - Burn disc images directly from the Finder (to install, put BurnCMPlugIn.plugin into ~/Library/Contextual Menu Items/ and restart Finder)
• Burn ISO images from the command line: hdiutil burn filename.iso
• dmg2iso - Converts compressed (z-lib) DMG images to ISO images. Available as a Perl script or Win32 binary.
• FreeDMG - Perform drag and drop disk imaging on the fly. Supports twelve compression formats (UDZO, UDCO, etc.) and optional encryption.
• CD > ISO via Disk Utility
  1. Insert CD, open Disk Utility and highlight the desired session in the left pane.
  2. Images > New > Image from (image name)
  3. Type a filename for the ISO image and choose the save location.
  4. For "Image Format" choose DVD/CD master and click "Save"

/mac | Nov 24, 2005