How to copy/paste text from vi to different applications

Question

Is it possible to copy/paste text without using :vs? If I have two vi windows open, I can copy/paste text with a mouse. How can I do it with a keyboard?

I found two

Answer 1

You can copy/paste by using the + register (read more: Accessing the system clipboard)

"+gyywill yank a line, and put it into the + register. You can paste in your other window with "+p in normal mode, or Ctrl+r + while in insert mode.

If you don't wish to use split windows, there really is no other way to paste between windows apart from using the system clipboard.