In computing, permissions (often called "privileges," "access rights" or just "rights") are rules associated with objects on a computer or network. Permissions determine which objects can access which objects, and to what extent.

In computing, permissions (often called "privileges," "access rights" or just "rights") are rules associated with objects on a computer or network. Permissions determine which objects can access which objects, and to what extent.

For example, file permissions are rules placed on a filesystem object defining which accounts are allowed to access the object, and what actions those accounts can take on the object, such as read, write and/or delete.