将文件复制到根分区，注意内核映像直接来自根文件系统。

Copy files to the boot partition, noting that the kernel image comes directly from the root file system.

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另外考虑一下将模型分区到以下状况下的多个文件。

Also consider partitioning a model into multiple files in these situations.

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然而，dd不是基于文件的，因此您只能使用它来将数据还原到完全相同的硬盘驱动器分区。

However, dd is not file based, so you can only restore data to an identical hard drive partition.

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