文件系统控制设备对象 file system control device object
该用户帐户控制所有的 DB2 UDB 进程，拥有该实例所含数据库使用的全部文件系统和设备。
This user account controls all DB2 UDB processes and owns all file systems and devices used by the databases contained within the instance.
这些命令涉及文件、流、普通数据链路控制以及其他各种设备。
The commands cover files, streams, generic data link control, and various other devices.
Solaris通过向所有对象添加敏感性标签实现了这一点，使您能够控制设备、文件、连网访问，甚至窗口管理服务。
Solaris achieves this by adding sensitivity labels to all objects, giving you control over device, file, and networking access and even window-management services.
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