After you have mastered some of the basic concepts of the operating system, then learn MarxEdit. This is the text editor included with your MarxMenu program. Use it to write your own batch files. Print these menus and study them, referring to this manual or MarxHelp for help on command definitions. You do not have to completely understand them to start making changes.
Programming is a trial and error process.
A computer, like a musical instrument, is only as good as the player. The more you learn about it the more you'll find it can do. In fact, a computer can help raise your effective IQ as you learn the disciplines of logic and reason. As a hammer is a tool of the hand, enhancing your physical strength, a computer is a tool of the mind, enhancing your mental strength. You will learn that as you develop a relationship with your computer, that you will be able to process information in ways you never dreamed.