Write-Write attributes define a user’s or group’s ability to make changes and include write attributes, write extended attributes, Read-Read attributes define a user or group’s ability to read items and include read attributes, read extended attributes, readįile data or list folder contents, execute file or traverse folder, and read permissions. Rules, or ACEs, which can be used to allow or deny any of the following privilege attributes:Īdministration-Administration attributes, which define a user’s or group’s ability to make permissions changes, include change privileges In other words, you can assign an item an unlimited number of user or group You define each as a specific allow or deny rule.
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On the system can have an unlimited list of ACE rules, hence the “list” in ACLs.įrom the command line, Mac OS X’s ACL implementation provides more than a dozen unique privilege attribute types and lets Each permissions rule is known as an Access Control Entry (ACE). The ACL technology is more advanced than traditional UNIX-style permissions because it allows for an arbitrary number of userĪnd group permissions rules per item.
When you make permissions changes using the Get Info window.Ĭlick to view larger image Viewing Access Control Lists (ACLs)
The Finder doesn’t show you when the execute privilege is used, but it will properly manage the execute privilege The execute privilege is also required on normal folders to access the contents of Is enabled on files that are commands and applications (or folders that contain application bundles), to indicate that the The execute privilege attribute x has not been introduced yet, but it is the third standard UNIX privilege attribute after read and write.
If you aren’t already comfortable with navigation in the UNIX command line, then it’s strongly recommended that you study