Emacs Cheat Sheet
Using Registers
C-x r s r -- Copy region into register r (copy-to-register).
C-x r i r -- Insert text from register r (insert-register).
Using Emacs with CVS
C-x C-q -- Commit the file in the current buffer
C-c C-c -- Finished entering the log message
M-p -- Go to previously entered log message (also M-n, M-r, M-s)
C-x v ~ version -- Check out version version in a new buffer