title: How to update node.js and CoffeeScript version via terminal on mac?
body: <p>My system node.js version is  v0.6.1 but the current stable version is  v0.6.7.
  My system CoffeeScript version is v1.1.2 but the current stable version is v1.2.0</p>
  
  <p>How could I update the node.js and CoffeeScript via terminal on mac( using mac )? I am pretty good with command line but I do need some help get started to update those applications. Thank you very much for helps.   </p>