title: What is the meaning of *nix?
body: <p>What is the meaning of *nix, and what is its relation with Ruby?</p>
  
  <p>Just saw that in an interview question... I think there is something to do with UNIX distros, but I am not sure.</p>
  
  <p>Could not find it here or in the Wikipedia, so I am asking.</p>
  
  <p>What is the meaning ?</p>
  
  <p>And what is its relation with Ruby ? because the question was about Ruby.</p>