--- emacs_basics version 3 Tue Oct 31 02:30:29 +0000 2006
+++ emacs_basics version 9 Wed Jul 09 14:28:44 +0000 2008
@@ -1,75 +1,122 @@
Commands to Manipulate Files
C-x C-f find-file.
C-x C-s save-buffer. Save.
C-x s save-some-buffers. Save All.
+
Commands to Manipulate Buffers
C-x b switch-to-buffer.
C-x C-b list-buffers.
C-x k kill-buffer. Asks to save if modified.
-C-x C-q vc-toggle-read-only. Toggle read-only <-> read-write.
- If the file under version control, it will check the file out for you.
+C-x C-q vc-toggle-read-only. Toggle read-only <-> read-write. If the file
+ under version control, it will check the file out for you.
+
Commands to Manipulate Windows
C-v scroll-up.
M-v scroll-down.
C-x o other-window. Switch to another window.
C-x 1 delete-other-windows. Deletes all other windows except the current
-one.
+ one.
C-x 0 delete-window. Deletes just the current window.
C-x 2 split-window-vertically. Splits the current window in two,
-vertically.
+ vertically.
C-x 3 split-window-horizontally. Splits the current window in two,
-horizontally.
-C-M-v scroll-other-window. Just like C-v, but scrolls the other window.
+ horizontally.
+C-M-v scroll-other-window. Just like C-v, but scrolls the other window.
+
Infinite Undo with Redo
-C-_ undo. (Also C-x u)
+C-_ undo. (Also C-x u and C-/)
+
Motion and Objects
-C-f forward-char. Moves forward (to the right) over a character.
-C-b backward-char. Moves backward (to the left) over a character.
-M-f forward-word. Moves forward over a word.
-M-b backward-word. Moves backward over a word.
-C-n next-line. Moves down to the next line.
-C-p previous-line. Moves up to the previous line.
-C-a beginning-of-line. Moves to the beginning of the current line.
-C-e end-of-line. Moves to the end of the current line.
-M-a backward-sentence. Moves to the beginning of the current sentence.
-M-e forward-sentence. Moves to the end of the current sentence.
-M-{ backward-paragraph. Move to the beginning of the current paragraph.
-M-} forward-paragraph. Move to the end of the current paragraph.
-C-x [ backward-page. Moves to the beginning of the current page.
-C-x ] forward-page. Moves to the end of the current page.
-M-< beginning-of-buffer. Moves to the beginning of the buffer.
-M-> end-of-buffer. Moves to the end of the buffer.
+C-f forward-char. Moves forward (to the right) over a character.
+C-b backward-char. Moves backward (to the left) over a character.
+M-f forward-word. Moves forward over a word.
+M-b backward-word. Moves backward over a word.
+C-n next-line. Moves down to the next line.
+C-p previous-line. Moves up to the previous line.
+C-a beginning-of-line. Moves to the beginning of the current line.
+C-e end-of-line. Moves to the end of the current line.
+M-a backward-sentence. Moves to the beginning of the current sentence.
+M-e forward-sentence. Moves to the end of the current sentence.
+M-{ backward-paragraph. Move to the beginning of the current paragraph.
+M-} forward-paragraph. Move to the end of the current paragraph.
+C-x [ backward-page. Moves to the beginning of the current page.
+C-x ] forward-page. Moves to the end of the current page.
+M-< beginning-of-buffer. Moves to the beginning of the buffer.
+M-> end-of-buffer. Moves to the end of the buffer.
+C-M-f forward-sexp. Move forward one 'balanced expression'.
+C-M-b backward-sexp. Move backward one 'balanced expression'.
-Deleting, Killing and Yanking
-Deletion means to remove text from the buffer without saving it.
-Killing means to save the removed text, so that it can be yanked back later
-someplace else.
+Regions
-C-d delete-char. Deletes the character to the right of (under, if the
-cursor is a block that covers a character) the cursor.
-DEL delete-backward-char. Deletes the character to the left of the
-cursor.
-M-d kill-word. Kills to the end of the word to the right of the cursor
-(forward).
-M-DEL backward-kill-word. Kills to the beginning of the word to the left
-of the cursor (backward).
-C-k kill-line. Kills to the end of the current line.
-C-u 0 C-k kill-line. Kills to the beginning of the current line.
-C-u -1 C-k kill-line. Kills to the beginning of the current line, and previous
-newline character.
-M-k kill-sentence. Kills to the end of the current sentence.
-C-u -1 M-k kill-sentence. Kills to the beginning of the current sentence.
+Regions are areas of text that you select to operate on. Operations can
+including killing / deleting, copying, re-indenting, counting lines,
+etc. Normally, you select a region by placing a 'mark' at one end-point of the
+region you want, and moving the point (or cursor) to the other end before
+invoking the command you want.
+C-SPC set-mark-command. Places a mark at the current point or cursor
+ position.
+C-x C-x exchange-point-and-mark. Move between the current position and the
+ mark.
+C-x h mark-whole-buffer. Mark the entire buffer.
+C-M-SPC mark-sexp. Mark the expression following the point.
+
+
+Copying, Deleting, Killing and Yanking
+
+Deletion means to remove text from the buffer without saving it. Killing
+means to save the removed text, so that it can be yanked back later someplace
+else.
+
+C-d delete-char. Deletes the character to the right of (under, if
+ the cursor is a block that covers a character) the cursor.
+DEL or C-? delete-backward-char. Deletes the character to the left of the
+ cursor.
+C-y yank. Yanks text, inserting whatever text you killed last.
+C-w kill-region. Kills the region of text between the point and the
+ cursor.
+M-w kill-ring-save. Save the region as if killed, but don't kill
+ it. AKA Copy.
+C-M-w append-next-kill. If the next command kills text, append it to
+ the last thing killed instead of replaceing it.
+M-d kill-word. Kills to the end of the word to the right of the
+ cursor (forward).
+M-DEL backward-kill-word. Kills to the beginning of the word to the
+ left of the cursor (backward).
+C-k kill-line. Kills to the end of the current line.
+C-u 0 C-k kill-line. Kills to the beginning of the current line.
+C-u -1 C-k kill-line. Kills to the beginning of the current line, and
+ previous newline character.
+M-k kill-sentence. Kills to the end of the current sentence.
+C-u -1 M-k kill-sentence. Kills to the beginning of the current sentence.
+C-M-k kill-sexp. Kills the sexp after the cursor.
+C-u -1 C-M-k kill-sexp. Kills the sexp before the cursor.
+
+
+Help
+
+C-h a command-apropos. List commands matching the given name or regexp.
+C-h f describe-function. Show documentation on the given function.
+C-h v describe-variable. Show documentation on the given variable.
+C-h c describe-key-briefly. Name the function bound to the given key
+ sequence.
+C-h k describe-key. Show documentation for the function bound to the given
+ key sequence.
+C-h w where-is. Show key sequences bound to the given command name.
+C-h m describe-mode. Documentation on the current major mode.
+C-h l view-lossage. Show the last 100 keystrokes.
+
+C-h after any prefix key will display all available shortcuts under that prefix.
From http://www.lib.uchicago.edu/keith/tcl-course/emacs-tutorial.html
