The command line interface is nice for advanced users as it's like programming. But for normal computer users that just want to get shit done, a GUI is much bet

The command line interface is nice for advanced users as it's like programming. But for normal computer users that just want to get shit done, a GUI is much better. For GUI I recommend using a window manager and a large dedicated desktop monitor. You can have your image in one GUI window app, that auto reload the image when the file is updated. And have the code editor in another window app.