Daniela's Emacs Cheat Sheet

Note: It's case sensitive.
Derived from here.

Undo: Ctrl-_ or Ctrl-x u or Ctrl-/ Using Ctrl-Z like elsewhere would have been too convenient.Grumble.
Aborting a command halfway through: Ctrl-]

Putting that cursor where I want it

Go to line:
Alt-g g [line number] (new emacs versions)
Alt-x goto-line [line number] (old emacs versions)
End of line:  Ctrl-e
Start of line: Ctrl-a
End of file:   Alt->
Start of file:  Alt-<
Page up: Alt-v
Page down: Ctrl-v

Text manipulation

Cut:  Ctrl-w (from 'wipe' ?!)
Copy: Alt-w (oh FFS)
Paste: Ctrl-y (from 'yank')
Set Mark (for block copy): Ctrl-Space
Delete Line: Ctrl-k

Search: Ctrl-s
Reverse Search: Ctrl-r
Search and Replace: Alt-%

Dealing with files

List directory: Ctrl-x d
Open file: Ctrl-x f
Save: Ctrl-x s
Leave: Ctrl-x c

Insert File: Ctrl-x i