title: Why hard links not allowed to directories in UNIX/Linux
body: <p>I read in text books that UNIX/Linux doesn't allows hard links to directories but soft links do? Is it because when we have cycles and if we create a hardlinks, it will point to some garbage values?</p>
  
  <p>If cycles were the sole reason behind not allowing hardlinks, then why softlinks are allowed to directories?</p>