title: get all aliases in linux shell
body: <p>How to list all aliases defined in a shell.
  Like the command below to list all files/folders in a directory
  I have defined some alias in <strong><em>~/.bashrc</em></strong> i want to list all that</p>
  
  <h1>command</h1>
  
  <pre><code>ls in a directory
  </code></pre>