[JdeBP]

If you had tried it on an actual Unix system, your experience would have been rather different. AT&T Unix System 5 Release 3.2 had a standalone help command that provided an interactive menu-driven help system. It looked something like this:

    $ help
    help:   UNIX System On-line Help

        Choices      description 
        s            starter: general information

        l            locate:find a command with keyword

        u            usage: information about command 

        g            glossary: definition of terms 

        r            redirect to a file or a command 
        q            Quit
    Enter choice >