Emacs Summary

C = Control , A = Alt

Files

CTRL-x CTRL-f : find-file
CTRL-x CTRL-s : save-file
CTRL-x s : save-all-file
CTRL-x CTRL-w : save-file
CTRL-x i : insert-file

Buffers - Windows

CTRL-x 2 : split-window-horizontally CTRL-x 3 : split-window-vertically
CTRL-x 0 : delete-window
CTRL-x 1 : delete-other-windows
CTRL-x o : move-to-other-window
CTRL-x k : kill-buffer

Copy - Paste - kill

CTRL-k : kill-line
CTRL-y : insert
CTRL-Space : mark
ALT-w : copy
CTRL-w : cut

Search - Replace

CTRL-s : search
CTRL-r : search-backward
ALT-% : query-replace
ALT-x replace-string : replace-string

Help - Goodies

CTRL-h : help
ALT-x manual-entry : manual-entry
ALT-x ispell-buffer : ispell-buffer
ALT-x doctor : doctor