NTFS permissions are always evaluated when a file is accessed. NTFS permissions are fairly complex, and to understand their management, you need to understand the following:
Basic permissions. What the basic permissions are and how they are used
Special permissions. What the special permissions are and how they are used
Ownership. What is meant by file ownership and how file ownership is used
Inheritance. What is meant by inheritance and how inheritance is used
Effective permissions. How to determine the effective permissions on files
In Windows Vista, the owner of a file or a folder has the right to allow or deny access to that resource, as do ...