Most people who are getting started with Linux or UNIX today already know how to use graphical WYSIWYG (what you see is what you get) editors, with heavy use of the mouse, icons and pull-down menus.
The Linux system comes with a vi clone called Vim. However, this editor can do more than just mimic vi. It has literally hundreds of additional functions, including commands for a help system, ...
https://www.pcworld.com/downloads/file/fid,83754/description.html (free) adds a new control interface to the Firefox browser that mimics commands from the Unix text ...