title: alias not working in mac
body: <p>I get this error when I try to set alias on the mac machine. Did any one faced this problem.</p>
  
  <pre><code>sh-3.2# alias lf 'ls -F'
  sh: alias: lf: not found
  sh: alias: ls -F: not found
  sh-3.2# 
  </code></pre>