Snippets for yer computer needs

Abbrev Mode

EmacsWiki for Abbrev Mode

desc command keystroke
define a global abbrev add-global-abbrev C-x a g
define a local (mode-specific) abbrev with add-mode-abbrev C-x a l
define a word in the buffer (ie inverse) inverse-add-global-abbrev C-x a i g
cancel an expansion quoted-insert C-q
define an abbrev from minibuffer define-global-abbrev  
save abbrevs when in abbrev mode edit-abbrevs-redefine C-c C-c

Editing abbrevs

desc command
write lisp file of user-created abbrev definitions write-abbrev-file
edit in-memory abbrev definitions edit-abbrevs
read definitions file read-abbrev-file