title: difference between ~/bin vs /usr/local/bin on mac
body: <p>I have a few exec scripts that I want to run on my command line. </p>
  
  <p>Which folder should I place them in <code>~/bin</code> or <code>/usr/local/bin</code>? </p>
  
  <p>What is the difference between both of these folders? </p>
  
  <p>Which is the be used when?</p>