title: ng serve doesn't recognize -- port option in Windows
body: <p>ng serve doesn't recognize -- port option in Windows.</p>
  
  <p>But it is running while using <code>npm run ng serve --port portnumber</code> and is always defaulting to <code>4200</code>:</p>
  
  <pre><code>oml005@W7-2UA532159M MINGW64 /d/COT-TF/cot-web/cot-web (master)
    ng serve --host 0.0.0.0 --port 5000
  
  error: unknown option `--host'
  
  oml005@W7-2UA532159M MINGW64 /d/COT-TF/cot-web/cot-web (master)
    ng serve  --port 5000
  
  error: unknown option `--port'
  
  oml005@W7-2UA532159M MINGW64 /d/COT-TF/cot-web/cot-web (master)
  </code></pre>
  
  <p>How can I solve this problem?</p>