title: why can't I write to the standard input of my terminal device from another terminal
body: <p>I have two pts terminals open in my Gnome desktop manager Ubuntu. </p>
  
  <p>What I am trying to do is to write something to the terminal /dev/pts/0 using the terminal /dev/pts/1  using redirection like:</p>
  
  <pre><code>##in pts/1
  echo date &gt; /dev/pts/0   
  </code></pre>
  
  <p>But in pts/0, only date is simply printed and pressing enter doesn't execute it. So i guessed the comamnd is not going to the standard input of pts/0 .So I tried piping the output of <code>echo date</code> to /dev/pts/0  which gave me permission denied error to which i became root and changed permissions of it and still i couldn't get <code>date</code> command to run in pts/0 .</p>
  
  <p>I am trying these things for learning purposes. So i really am confused how its all working here and what i should do to get it done. </p>