title: 'mv' is not recognized as an internal or external command, operable program or batch file
body: <p>I have forked a php application .they have instructed as follows.</p>
  
  <p><strong>1.Application uses:</strong></p>
  
  <ul>
  <li>PHP 7.1.3</li>
  <li>composer</li>
  <li>laravel</li>
  <li>MySql or PostgreSQL</li>
  </ul>
  
  <p>I have installed everything as per instructions.</p>
  
  <ol start="2">
  <li><p>Install and configure application by running following commands</p>
  
  <p><code>composer install</code></p>
  
  <p><code>mv .env.example .env</code></p></li>
  </ol>
  
  <p>When I run <code>mv .env.example .env</code> as per instructions i get the following error</p>
  
  <blockquote>
    <p>'mv' is not recognized as an internal or external command, operable
    program or batch file.</p>
  </blockquote>
  
  <p>any help or suggestions will be helpfull</p>