betaflight-configurator/tabs/cli.html

<div class="tab-cli">
    <p>
        <span style="color: red;">Note</span>: Leaving CLI tab or pressing Disconnect will <strong>automatically</strong> 
        send "<strong>exit</strong>" to the board, which will make the controller save all the changes and <span style="color: red">restart</span>.
    </p>
    <div class="window">
        <div class="wrapper">
        </div>
    </div>
    <input type="text" name="commands" placeholder="Write your command here" value="" />
</div>