Vim

:q!     # force quit
:wq     # save and quit
i       # enter insert mode
v       # enter visual mode
y       # copy
d       # cut
c       # cut and enter insert mode
p       # paste
>       # indent text
dd      # delete current line
dw      # delete current word
w       # move forward one word
b       # move backwards one word
$       # move to the end of current line
0       # move to the beginnning of current line
G       # move to the end of the file
gg      # move to the beginnning of the file
u       # undo last change
CTRL+R  # redo last change