标准形式的完成功能的局限性在于，它只能在您从命令行上执行输入时完成文件和路径(包括命令)。

The limitation of completion in its standard form is that it is only able to complete files and paths (including commands) while you are entering them on the command line.

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清单17展示了我的默认路径以及多个命令的位置。

Listing 17 shows my default path along with the locations of several commands.

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路径-我的命令在哪里？

Paths - where's my command?

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