Research and Development
The delightfully useful Disk Utility built into OS X can burn disk images to optical media in a few easy steps. Read on for how to go about burning your new disc.
Applications > Utilities)..dmg or .iso file to the left pane in Disk Utility. Now both the blank disk and the .iso/.dmg should be listed..iso/.dmg file you want to burn to disc, and click on the Burn button. A dialog box confirming the destination (your blank CD/DVD) will appear, as shown:
Now just sit back and wait while your new disc gets written. All discs burned on the Mac work across platforms.