To add an entry to a ChangeLog file from dired,
  you want the add-change-log-entry function.
  Type alt-x, then add-c, then the tab key to fill the rest in.

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I've defined a link to the 19.25.1 version of emacs by putting a link to
it in my own bin directory, by typing in the command
  ln -s /afs/alm/ais/emacs/src/emacs bin/emacs
 
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Cursor Movement:          C-p
                          /|\
                    C-b <--*--> C-f
                          \|/
                          C-n
 
C-p = Up one Line
C-n = Down one Line
C-b = Left one Space           M-b = Left one Word
C-f = Right one Space          M-f = Right one Word
 
C-a = Beginning of Line        M-a = Beginning of Sentence
C-e = End of Line              M-e = End of Sentence
 
C-v = Page Forward             M-v = Page Backward
 
M-< = Top of File
M-> = End of File
 
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C-u = Repeat, as in C-u 2 3 C-n = Go down 23 lines.
      Can also hold down Escape key, type in 2 3, release Escape key,
      then C-n.
 
C-l = Move this line to Center of Screen
 
C-g = Cancel, or Escape
 
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C-x u = Undo.  Undo also seems to be the Ctrl/Act key sometimes.
C-_   = Undo.
 
C-x C-f = Find a file or directory.  Gets into dired if a directory.
 
C-x C-s = Save this file.
 
C-x C-b = Go to Buffer List.
 
C-x s = Save some Buffers.  Asks you for each buffer needing saving.
 
C-x C-c = Exit & Kill Emacs.
 
C-x 1 = Kill all other windows, keep this one.
 
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"Kill" saves in the C-y (Yank) Buffer
"Delete" does not.
 
Delete = Delete previous character.    M-Delete = Kills Previous Word
C-d = Delete character.                M-d = Kills Word
C-k = Kills to End of Line.            M-k = Kills to End of Sentence.
 
C-y = Yanks Buffer - Puts it before cursor
C-y M-y = Yanks Previous Buffer.  C-y M-y M-y yanks 3 buffers ago, etc.
 
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C-s = Forward Incremental Search       C-s to find next occurance.
C-r = Backward Incremental Search
C-g = Quit Incremental Search & return cursor to where it was
Enter = End Incremental Search, leave cursor at found text, & mark

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Help Facility
 
C-h a = Apropros.  Keyword search.  eg C-h a buffer to see all the
        commands that have buffer in it, like bury-buffer.
 
C-h f = Function.  Command name.  eg C-h f bury-buffer.
 
C-h k = Key Sequence Help.  eg C-h k F2 to see what the F2 key does.
 
C-h t = Starts emacs Tutorial.

C-h m = Describe mode.
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  Custimization is done by .emacs file.  The Igor environment gives users
a mini .emacs file that gets $IGORBASE/.emacs,
aka /afs/almaden.ibm.com/rcf/desktop/igor/rel/base.profiles/emacs
which because of the (load-library "igor"), calls
/afs/alm/rcf/desktop/igor/rel/defs/emacs/igor.el,
which defines 3 functions, buffer-ring and 2 others.
Tom E. says this is junk.  One should use bury-buffer instead.
 
 /afs/almaden.ibm.com/rcf/desktop/igor/rel/base.profiles/emacs also
sets up the PF keys like so,
F1 = help-for-help
F2 = kill-current-buffer
F3 = save-buffer
F4 = isearch-forward
F5 = find-file
F6 = goto-line
F7 = delete-other-windows
F8 = split-window-vertically
F9 = buffer-ring
F10 = dired
F11 = match-paren
F12 = shell
 
Tom got me a new .emacs file from /local/lib/alminst/newuser/.emacs
and now I have the following PF keys.
F1 = buffer-menu
F2 = save-some-buffers
F3 = kill-current-buffer
F4 = find-file
F5 = switch-to-buffer
F6 = call-last-kbd-macro
F7 = bury-buffer                    I added to rotate around the buffer ring.
F8 = set-mark-command
F9 = undo
F10 = delete-window                 These 3 keys are for when you're in
F11 = delete-other-windows          multi-screen mode.  They don't delete
F12 = other-window                  screens from the buffer-menu nor roll.
 
I'll probably go change it to something I like.
 
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Dired
 
C-x d = To get into Dired.
C-h m = Get Dired help.
 
f = "Visit" this directory or file.
v = "Views" the file.  R/O version of "f".
g = Refresh the view of this directory.
R = Rename file or move to another directory. 
C = Copy file.

d = "Mark" a file for deletion.
x = Delete files marked for deletion.
m = "Mark" a file for later commands.
u = Unmark file.

s = Toggle sorting by name/date.

F4 = (Find File) to create a new file.

  
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If you want to modify a read-only file, you can
     M-x toggle-read-only
     change the file,
then C-x C-w, which first prompts you for the new filename, then writes the file.