Sorry, it seems we made a bit of a mistake there! The Conquer the Command line article was included on the disc as a bonus, but it was originally published in issue 151. This means that the 'jons-home' folder was included on that issue's cover disc, not the current issue.
My best suggestion is to follow along with the tutorial, but try it out on a folder and files of your own. If you're used to doing things with the GUI, I suggest you open the file manager and create a new folder, even call it jons-home if you like! And then create a series of text files inside it. You can do this by opening a text editor (like Gedit or Kate), entering a few characters and then saving the files in the folder you just created.
Sorry for the confusion, I hope you still find the article useful