9.1. Compound Command

Compound Command	Equivalent in Longhand	Help
C	c$	Delete from the cursor position to the end of the line and start insert
s	cl	Delete (count) characters and start insert(substitute)
S	^C	Delete (count) lines and start insert
I	^i
A	$a
o	A	Begin a new line below the cursor and insert text
O	ko	Begin a new line above the cursor and insert text