1. C-x C-f Find a file (allows TAB completion) 2. C-x C-s Save a copy of the current buffer to the corresponding file. If the buffer is not associated with a file, it'll prompt for a file name. 3. C-x s Save some buffers with the option of selectively saving them.
1. C-x C-b List all buffers (then C-x 1 to kill the window showing the list) 2. C-x b Prompts for the buffer to go to (allows tab completion) 3. C-x k Prompts for the buffer name to kill 4. C-x C-q Toggle read-only mode
1. C-x 0 Delete current window 2. C-x 1 Delete all but the current window 3. C-x 2 Split the window vertically (with a horizontal line in the middle) 4. C-x 3 Split the window horizontally (with a vertical line in the middle) 5. C-x o Move to the other window 6. C-M-v Scroll the other window
Reference: A tutorial introduction to emacs.