描述转储文件，包括有关保存和打开。

Describes dump files, including instructions on saving and opening.

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它利用这一知识创建一个XML描述文件，这个文件为系统转储文件提供索引，指出各个数据结构的位置。

It USES that knowledge to create an XML description file that provides indexes into the system dump file that indicate the location of various data structures.

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