Introduction to Nano Editor
Of all the terminal-based text editors available, Nano is the most popular among beginners.
Compared to the liked of Vim and Emacs, Nano is a lot easier to use and it is also installed by default on most Linux distributions.
That doesn't mean you can start using Nano without knowing anything. After all, there are still keyboard shortcuts involved here.
Nano still has a learning curve of its own. Although it is not as steep as Emacs or Vim.
This page here is a collection of various tips and tricks you should know about using Nano.