title: PowerShell configuration with an rc-like file
body: <p>What script and where I should write in order to define:</p>
  
  <ol>
  <li><code>alias for ll="ls -l"</code></li>
  <li><code>alias/function cd = "original cd; ll"</code></li>
  </ol>
  
  <p>So, my question has to parts where is the rc files of the Power Shell on Windows 7 and how to alias <code>ll</code> to <code>ls -l</code> and <code>cd</code> to <code>cd; ll</code>?</p>