a   append to current posn
c   change lines
d   delete line(s)
e   edit a new file
f   set file name
g   globally if
h   display this summary
i   insert lines
j   join lines
k   set line name (a letter a-z)
m   move lines(s)
o   open line(s) for mods (^H for help in 'o')
o+  append new lines
o-  insert new lines
o\  replace line(s)
p   print lines
q   quit editor ('y' if file altered)
r   read file
s   substitute /old/new/
t   copy line(s)
v   globally if not
w   write  ('y' if write prot)
x   interactive 's' (. to confirm)
%   display context
"   .+1,.+15p
&   .-15,.p
+   .+1p
-   .-1p
=   line number
>   prompts off
<   prompts on
'#  invoke line name (# stands for a letter)
/string/	look for string forward
?string?	look for string backward
!   unix command
