title: ADB rejected shell command (ls -l /data)
body: <p>I keep getting </p>
  
  <p><code>ADB rejected shell command (ls -l /data):</code></p>
  
  <p>and the command prompt when running <code>adb shell</code> tells me <code>error: device not found</code> although the emulator is open.</p>
  
  <p>What I am doing wrong?</p>