I've started working on updating the Lessons > Playing section. For File Operations, I decided to put all the SX material in one lesson and then leave the earlier series of file operations as is for Tyros and PSR owners.
Here's a link to the SX file operations lesson:
https://psrtutorial.com/lessons/playing/files/13fileopsSX.htmlSince SX screens can be difficult to see on the keyboard, I have included many screen shots all with links to a larger version of the screen.