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Chapter 3. Keeping Things Organized > Set the Time and Date

25. Set the Time and Date


It's important for your Mac to be able to keep accurate track of the time. Lots of system functions depend on carefully scheduled execution; for instance, if you have Software Update set to check for new updates every week, or iSync set to synchronize your data every hour, your Mac must be able to kick off those processes at the correct time. These are just two of the functions you can see at the user level; Mac OS X, as a Unix system, runs a number of self-cleaning and bookkeeping tasks every day—late at night, when you're most likely asleep, so that those tasks don't interfere with your work. You don't want to have the disk grinding away mysteriously at noon just because you have your system's time set incorrectly.


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