GNU Texinfo 4.2: 9.1.7 @env{environment-variable}

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### 9.1.7 `@env`{environment-variable}

Use the `@env` command to indicate environment variables, as used by many operating systems, including GNU. Do not use it for metasyntactic variables; use `@var` instead (see the previous section).

`@env` is equivalent to `@code` in its effects. For example:

    The @env{PATH} environment variable …

produces

> The `PATH` environment variable …

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