这会创建新目录b，其中包含目录a中目录结构的拷贝。

This will create a new directory, b, containing a copy of the directory structure in directory a.

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研究这些目录时，可能会对创建新目录时发生的所有动作感到吃惊。

As you explore these directories, you may be amazed at all the action that occurred when you created the new directory.

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幸运的是，Rational Quality Manager提供了创建新目录类型的能力。

Fortunately, Rational Quality Manager provides the ability to create new category types and categories.

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