title: zsh with iterm 2 does not recognize my alias
body: <p>When I add an alias to <code>~/.zshrc</code> such as <code>alias dir='cd ~/Desktop/somedir'</code> and do <code>source ~/.zshrc</code>, it says "command not recognized 'cd " when trying to use the alias in iterm 2.</p>
  
  <p>However if I create the alias inside of <strong>iTerm 2</strong> and not the <code>~/.zshrc</code> file, it does recognize it. Anyone knows why this happens?</p>
  
  <p>Thanks!</p>