Hello, galaxy!');
    process.stdin.writeln('Hello, universe!');
  });
}
</code></pre>
<h2 id="standard-io-streams">Standard I/O streams</h2>
<p>As seen in the previous code sample, you can interact with the Process's
standard output stream through the getter <a href="../dart-io/Process/stdout.html">stdout</a>,
and you can interact with the Process's standard input stream through
the getter <a href="../dart-io/Process/stdin.html">stdin</a>.
In addition, Process provides a getter <a href="../dart-io/Process/