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Readers ask about the necessity of running permissions fixes regularly among other topics.
There are several ways to view a typeface in OS X before you use it in your document.
Several handy shortcuts may facilitate saving and opening files.
You can use a terminal command to save generated previews of documents.
Apple has numerous "at your fingertips" options in OS X, including icon previews, coverflow and column-view previews, as well as QuickLook and Dashboard. Of these, QuickLook is one of the most useful in allowing you get a brief bit of information about an item that does not have a preview option, or a more detailed look at the contents if the item does have a preview. If for some reason the QuickLook feature stops working there are several things you can try to get it up and running again.
When you invoke QuickLook on a folder in OS X, you are shown the folder icon along with some information about the folder. While this is convenient, QuickLook does contain a hidden "X-ray" feature that allows you to preview items in the folder, similar to the option in Windows where pictures are displayed in the enclosing folder's icon.
Apple's Quick Look document previewing feature is convenient, but may not always work properly.
Apple's latest version of OS X Lion is just a small driver and core services update that does not appear to address some prominent issues people are having with their systems.
PDF documents are exceptionally popular, and having an option for organizing them is a necessity for some people. One option you can try is to use iTunes as a PDF organizer.
Mac OS X 10.5.x Special Report: QuickLook limitations