Description: The ACL, or Access Control List, is a fundamental feature in computer systems that allows for precise management of user access permissions to different resources within a database or network environment. This functionality is crucial for ensuring the security and integrity of data, as it defines who can perform what actions, such as reading, writing, or modifying data. ACLs are implemented through a system of rules associated with each user, facilitating permission management in environments where multiple users interact with the system. This feature not only enhances security but also optimizes resource management, allowing administrators to establish access policies that align with their organization’s specific needs. With the growing concern over data security in the digital age, ACLs have become an essential tool for protecting sensitive information and ensuring that only authorized users have access to it.