Name                                           Size  
 Parent Directory                                 -   
 _README.txt                                    187   
 035-Command Substitution.mp4                   8.3M  
 034-Command History.mp4                         12M  
 033-Pipes.mp4                                   13M  
 032-Redirecting Input and Output.mp4            29M  
 031-Startup Files.mp4                           21M  
 030-Environment Variables.mp4                   20M  
 029-Common Command Line Shells.mp4              12M