菜单，并从可用命令中进行选择。

Menu , and select from the available commands.

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可以通过在可用命令集中添加更多命令和功能来修改此工具。

It can be modified by adding more commands and functionality to the available command set.

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首先，您可以通过使用 -P 选项（请参见 清单 1）来获取可用命令列表。

To start, you can get a list of the available commands by using the -P option (see Listing 1).

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