I am working with two files, and I need to copy a few lines from one file and paste into another file. I know how to copy (yy) and paste (p) in the same file. But that doesn
Here's one way to do it;
You could have both files viewable too. Split the screen with e.g. Ctrl + w s.
As for cutting, d cuts and places the cut stuff in the yank buffer. dd will "cut" a line.