By mastering the concepts of ownership and access control, you can create a secure and efficient environment for your data. Continuous learning and regular reviews of file permissions will help you ...

The Access Control Lists manages privileges by user, systems, command and most other policyparameters. It also lets admins quickly create limitations on access for each user by time of day.

If you're new to the UNIX operating system, especially if you're familiar with Windows, you'll find that the file access control mechanisms might not be exactly what you expect.

However, caching also will make the system less responsive either to changes to access policy or access control lists, as I will have to wait for the cached information to expire or restart the proxy ...