anchor.diff:      ol
         li bash
         li ssh
  +      li vi
         li screen
  -      li vi
   
     section.slide#bash
       h2 Bash Shell
       ul
  -      li Command language interpretter
  +      li Command language interpreter
         li Reads commands from user or script
         li Concerned with manipulation of files, execution of other programs
   
  
positive.code: 
    section.slide#definition
      h2 Command Line Interface
      blockquote "a means of interacting with a computer program where the user (or client) issues commands to the program in the form of successive lines of text." - <a href="http://en.wikipedia.org/wiki/Command-line_interface">Wikipedia</a>
  
    section.slide#use-cases
      h2 Use Cases
  
negative.code:       h3 Create window, switch window, kill window, rename window, scrollback, disconnect
  
    section.slide#screen-demo
      h2 More Screen Commands
      ul
        li Again, Google for a cheat sheet.
        li Or see the <a href="http://www.gnu.org/software/screen/manual/screen.html">GNU Screen manual</a>.
  