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Possibly speed copies via Terminal
Authored by: inik on Jun 05, '07 11:51:33AM

cp, along with all other terminal utilities that have been upgraded by Apple to preserve resource forks, will destroy other metadata associated with your files. A Finder copy remains the one and only Apple-supplied method that will copy permissions, extended attributes, BSD flags, Spotlight comments, and the Finder creation date.

Also, if you're copying a file on a single drive, you can make a hard link to the file rather than copy it (not exactly the same thing as a copy -- it's a second instance of the file in another location) and it's nearly instantaneous.

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