title: Mac terminal -bash command not found?
body: <p>I'm completely new to using terminal, and while trying to use <code>brew</code> to install some stuff, I did something to <code>PATH</code>. Now if I tell it to do something it always returns </p>
  
  <blockquote>
    <p>-bash: blah: command not found.</p>
  </blockquote>
  
  <p>Is there any way to reset something to fix this? What should I do? </p>