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。
Most notable improvement is introduction of extended attributes, or file metadata.
最值得注意的改进是扩展属性(或文件元数据)的引入。
This data wouldn't be viewable by normal file IO operations but could be accessed by any program using a special extended attributes API.
普通文件IO操作将看不到这个数据，但任何程序都可以使用一个特殊的扩展属性api来访问它。
The cryptographic information is kept in the extended attributes for each file.
加密信息保存在每个文件的扩展属性中。
The /etc/security/group file is much like /etc/security/user for users: It contains extended attributes to the specified group.
etc/security/group文件与 /etc/security/user很相似：它包含指定的组的扩展属性。
One issue with SELinux is that it requires a file system that can support extended attributes; but AppArmor is file-system agnostic.
SELinux的一个问题在于，它需要一个支持扩展属性的文件系统；而AppArmor对文件系统没有任何要求。
The mounted file system does not support extended attributes.
装入的文件系统不支持扩展属性。
The mounted file system does not support extended attributes.
装入的文件系统不支持扩展属性。
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