Using ACL gives more control on who can and cannot access or execute a file or directory; that is determined by the extended permissions that can be given to a file on a user or group basis.
通过使用ACL，可以更好地控制谁可以、谁不可以访问或执行文件或目录；这由按用户或组分配给文件的扩展权限决定。
These attributes include file owner and group permissions, access-control lists (ACLs), and extended file attributes.
这些属性包括文件所有者及组权限，访问控制列表(acl)，以及扩展文件属性。
A XML access control system based on the extended model is designed.
设计了一个基于该扩展模型的XML访问控制系统。
This model can resolve various security problem of current applications, and can be extended to an access control model for the different domains.
该模型可以很好地解决现在一些系统中存在的安全问题，并且可以扩展成多域之间的安全互访问模型。
This model can resolve various security problem of current applications, and can be extended to an access control model for the different domains.
该模型可以很好地解决现在一些系统中存在的安全问题，并且可以扩展成多域之间的安全互访问模型。
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