One method to satisfy the access authority on file access is to implement an access control list (ACL).

对文件访问进行访问授权的一种方法是实现访问控制列表 (ACL)。

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Access Control list (ACL) : An ACL is a data structure that associates to a set of principals a list of permissions for a service.

访问控制列表(acl)： ACL是一种数据结构，它将一个服务的权限列表与一组主体相关联。

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Though this file is ACL (Access Control List)-protected by root only access, it may not be enough for highly secure systems.

尽管这个文件由 ACL (Access Control List) 保护，只允许根用户访问，但是这对于安全性要求高的系统可能不够。

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