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Chapter 7. Filesystem Overview > The File Permissions System

7.4. The File Permissions System

Mac OS X uses the Unix file permission system to control who has access to the filesystem's files, folders, and disks, and what they can do with them.

Ownership and permissions are central to security. It's important to get them right, even when you're the only user, because odd things can happen if you don't. For most users' interaction with Mac OS X, the system will do the right thing, without their having to think much about it. (Things get a little trickier when viewing the system as an administrator, though.)


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