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                        <h1 id="configuration"><a class="header" href="#configuration">Configuration</a></h1>
<p>Rustup has a <a href="https://github.com/toml-lang/toml">TOML</a> settings file at
<code>${RUSTUP_HOME}/settings.toml</code> (which defaults to <code>~/.rustup</code> or
<code>%USERPROFILE%/.rustup</code>). The schema for this file is not part of the public
interface for rustup - the rustup CLI should be used to query and set settings.</p>
<p>On Unix operating systems a fallback settings file is consulted for some
settings. This fallback file is located at <code>/etc/rustup/settings.toml</code> and
currently can define only <code>default_toolchain</code>.</p>

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