This creates a hard link to a file.

这个函数创建一个到文件的硬链接。

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Clicking this link allows you to move up the file system hierarchy until you eventually get as high as you can possibly go: the root directory.

单击该链接将允许您向上浏览文件系统层次结构，直到您到达最高的一级：根目录。

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BPEL4WS enabled WSDL definitions require some additional information and since this WSDL file will be used in the BPEL4WS process, it requires a service link definition to be added to the file.

启动了WSDL定义的BPEL4WS需要一些额外的信息，而且由于BPEL4WS流程使用了WSDL文件，它也需要在文件中添加一个服务链接定义。

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