UNIX 系统中大量使用符号链接来链接文件系统的两个区域。

Symbolic links are used extensively on UNIX systems to link two areas of a file system.

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它使用一个类似于文件系统和URL中所使用的路径符号来指定和匹配文档各部分。

It USES a path notation, similar to that used in file systems and URLs, to specify and match pieces of the document.

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和 .（当前工作目录的简写符号），您可以引用文件系统中相对于当前工作目录的文件和目录。

With .. and ., the sigil for the current working directory, you can refer to files and directories in the file system relative to your current working directory.

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