There's a new System preference that gives you full control over what happens 
  when you insert a CD or DVD in Jaguar. The default actions are what most people 
  expect (open the DVD Player when you insert a video DVD for example), but there 
  are power user and other scenarios where you might want more control. 
For example, let's say you have the world's coolest AppleScript that can backup 
  exactly the files you want to back up. No problem... Just select Run Script... 
  from the "When you insert a blank CD" menu and select your AppleScript. 
  The next time you insert a blank CD, your script will run automatically. 
  
  
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