title: Waiting for parallel batch scripts
body: <p>I have 4 batch files. I want to run <code>one.bat</code> and <code>two.bat</code> at once, concurrently. After completion of these two batch files, <code>three.bat</code> and <code>four.bat</code> should run at once, in parallel. I tried with many ways but mot works fine.</p>
  
  <p>Can anyone help me over this?</p>