公用日志文件系统(CLFS)维护两个重新开始区域，以确保至少有一个有效区域总是可用。

The Common Log File System (CLFS) maintains two restart areas to guarantee that at least one valid area is always available.

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回答：公用服务被单独的放在一个子包中(日志服务；数据同步和备份服务；访问控制服务和登陆服务)。

Answer: Utility services would be separated into individual subpackages (logging; data synchronization and backup; access control; and login).

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另外，本文还对核心公用模块、控管规则文件、日志文件进行了设计，对今后的工作做出了进一步的展望。

At last, the kernel common module, file of control rule and log file are designed, and the next-step work of system is viewed.

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