title: Read-Write data from /dev/test file in android root file system in rooted device from android app
body: <p>I am trying to read-write data from /dev/test node in android file system.
  I tried </p>
  
  <pre><code>mount -o rw remount /dev &amp;&amp; touch /dev/test
  </code></pre>
  
  <p>from shell and it worked, but when I try to use </p>
  
  <pre><code>Runtime rt = Runtime.getRuntime();
  Process proc = rt.exec("su");
  proc = rt.exec("mount -o rw remount /dev &amp;&amp; touch /dev/test");
  </code></pre>
  
  <p>There is no file called test under /dev/</p>