How to edit a text file in my terminal

Question

I'm using Linux mint and using the vi command to create text files, now that I created a text file and saved it. How do I get back into to edit the text file again?

vi helloWorld.txt

Answer 1

What is the best way to edit files on Linux?
To return to normal mode, press the ESC key.
Insert mode is activated by pressing the I Key.
To exit the editor without saving a file, press the q! keys.
To save the revised file and exit the editor, press the wq! keys.
To save the file as test. txt, press:w test. txt.