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Optimizing the disk after an update or install: what is that about?

Posted on 2004-10-30
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Last Modified: 2013-11-17
I just installed some updates on my Mac. The updating process was really quick, but then it had to optimize the disk. I wonder what that's about and why it is so slow. It takes five times longer to optimize than to download and install...
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Question by:grexx
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    Mac OS X makes extensive use of shared libraries and frameworks.
    The "Optimizing" relinks [prebinds?] applications against the newer
    versions of the shared libraries to accelerate application launch time.

    For more detailed information, see:
    http://radio.weblogs.com/0100490/stories/2002/08/24/prebindingExplained.html

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