查阅shell手册页，获取可用环境变量的完整列表。

Consult your shell's man page for a complete list of available environment variables.

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你将看到当前环境变量设置列表。

You'll see a list of the current environment variable Settings.

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你将看到当前环境变量设置列表。

You'll see a list of the current environment variable Settings.

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