这个设备中只有数据文件，并且保持与操作系统分离，这样在出现硬件故障时可以将它转移到另一个系统。

This device will only contain data files and will be kept separate from the operating system, so it will be easy to move the device to another system in case of a hardware failure.

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尽管可以统一Web服务器和操作系统的用户列表，但通常出于安全性、性能和实现目的考虑而将它们保持分离。

Although the user list for the Web server and the operating system could be unified, usually they are kept separate for security, performance, and implementation purposes.

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