English  
  A quote from "A quarter Century of Unix" by P Salus" states: • write programs that do one thing and do it well. • write programs that work together • write programs that handle text streams, because that is a universal interface.  
Linux Fundamentals A Practical Guide to Learning Linux
  dialog is a program that will allow you do draw text boxes on the screen in a prittier manner than a simple ascii-art drawing. It uses the ncurses library to achieve this. Before proceeding with this short one-page tutorial, ensure that you have dialog installed on you system. Refer to earlier in the notes if you cannot install some software on you machine, or alternately, do the System Administrators course. Try this for instance: Dialog can take many different parameters. So, adding a background title is easy.  
Shell Scripting
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