Changes

:* Learn about additional logic control-flow statements Use the '''if-else ''' and '''if-elif-else''' control flow statements.

:* Learn additional uses of Use alternative methods with the '''for ''' loop control-flow statement.

:* Learn the purpose of Use '''command substitution and how it can be used ''' with control-flow statements

:* List Configure and explain use the purpose of several '''.bashrc''' start-up filesfile.