Here is a link to the beginning of this course and playlist for Linux for Network Engineers:

In this video we will go through a number of the linux nano shortcuts. There is an entire list of nano linux commands. This video is intended to act as a nano commands cheatsheet. Nano command examples will be demonstrated on linux ubuntu.

This is a list of nano basic commands and cheatsheet. Source for above cheatsheet:

https://www.nano-editor.org/dist/latest/cheatsheet.html