title: Android 11 - ROOT : mount /system fails with not found in /proc/system
body: <p>My OS is PixysOS - Android 11
  When I do</p>
  <pre><code>mount -o rw,remount /system
  </code></pre>
  <p>It fails saying -</p>
  <pre><code>mount: '/system' not in /proc/mounts
  </code></pre>
  <p>But usually it worked. I've also tested in android 9</p>