How to undo changes in nano?

In the nano text editor, you can undo changes using the following steps:

1. Undo Changes:

   • Press Ctrl + _ (the underscore). This will open a prompt at the bottom of the screen.
   • Then press U (for "Undo"). This will undo the last change you made.

2. Redo Changes (if needed):

   • If you want to redo an undone change, press Ctrl + _ again and then press E (for "Redo").

Summary

• Undo: Ctrl + _, then U
• Redo: Ctrl + _, then E

These commands allow you to manage changes effectively while editing your text. If you have any further questions or need more help, feel free to ask!