title: How to display contents of all files under a directory on the screen using unix commands
body: <p>Using cat command as follows we can display content of multiple files on screen</p>
  
  <p>cat file1 file2 file3</p>
  
  <p>But in a directory if there are more than 20 files and I want content of all those files to be displayed on the screen without using the cat command as above by mentioning the names of all files.</p>
  
  <p>How can I do this?</p>