Big Book of Apple Hacks Tips & Tools for unlocking the power of your Apple devices By Chris Seibold This errata page lists errors outstanding in the most recent printing. If you have technical questions or error reports, you can send them to booktech@oreilly.com. Please specify the printing date of your copy. This page was updated July 8, 2008. Here's a key to the markup: [page-number]: serious technical mistake {page-number}: minor technical mistake : important language/formatting problem (page-number): language change or minor formatting problem ?page-number?: reader question or request for clarification Confirmed errors: (10) paragraph 7; Paragraph is unclear for some: The tempting thing to think is that you can simply copy the System folder with rsync and be done with the problem. That isn't the case;, necessary folders like /uusr and /bbin don't actually reside in the System folder as you might expect. Instead, the required folders reside at the root level of your directory. Yyou just can't see them because they are invisible. Hence a more encompassing approach is needed. The solution is to tell rsync to copy the entire disk except the folders that aren't needed. Since all you are doing is copying files you won't have to worry about accidentally throwing crucial bits away, the process is non destructive. The last sentence: Since all you are doing is copying files you won't have to worry about accidentally throwing crucial bits away, the process is non destructive. is added because some users were worried about copying files directly from the system folder