title: Bash workingdirectory use as variable
body: <p>I need to some homework ... The Question is :
  How can you print the path of the current directory (working directory) and how can you use it as a variable?</p>
  
  <p>The first part of the question is easly answered: 
  pwd</p>
  
  <p>But how can I use it as a variable ?</p>