A More Frequent User's Guide to Emacs

You've seen the infrequent user's guide. This is for the slightly more frequent user.

SectionCommandFunction
Basic F10Menu
C-_Undo
C-gCancel Current Command
C-x C-cQuit
Buffer Editing C-x C-sSave
C-x C-wSave As
C-x C-fOpen
C-x C-qToggle buffer read-only
C-dDelete next Character
C-sFind
C-kCut Line
C-yPaste
Windows C-x C-2Split Horizontally
C-x C-3Split Vertically
C-x C-0Close This Window
C-x 1Close all other windows
GDB M-x gdbLaunch GDB
M-pPrevious Command
C-x <space>Set breakpoint