Changes

:* Use the Explain how to construct '''if-else''' and '''if-elif-else''' control flow statements.

:* Use alternative methods with Explain the purpose of '''forcommand substitution''' loop control flow statement.

:* Use Explain how to issue the '''for''' loop control flow statement using a list with '''command substitution''' with control-flow statements.

:* Configure Explain how to configure and use the '''.bashrc''' start-up file.