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OS X Yosemite: The Missing Manual by David Pogue

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Get Info

By clicking an icon and then choosing File→Get Info, you open an important window like the one shown in Figure 2-12. It’s a collapsible, multipanel screen that provides a wealth of information about a highlighted icon. For example:

  • For a document icon, you see when it was created and modified, and what programs it “belongs” to.

  • For an alias, you learn the location of the actual icon it refers to.

  • For a program, you can turn on Prevent App Nap (Secret keyboard shortcuts).

  • For a disk icon, you get statistics about its capacity and how much of it is full.

  • If nothing is selected, you get information about the desktop itself (or the open window), including the amount of disk space consumed by everything on or in it.

  • If you highlight so many icons simultaneously that their Get Info windows would overwhelm your screen, OS X thoughtfully tallies up their information into a single summary window. It shows you how many icons you highlighted, breaks them down by type (“23 documents, 3 folders,” for example), and adds up their file sizes. That’s a great opportunity to change certain file characteristics on numerous files simultaneously, such as locking or unlocking them, hiding or showing their file name suffixes, changing their ownership or permissions (Sharing Any Folder), and so on.

    How many icons do you have to highlight to trigger this Multiple Item Info box? That depends on the size of your screen; bigger monitors can hold more Get Info boxes. If you highlight fewer than that magic ...

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