CHANGE 

 cw word
 cc  line
 C  rest of line
 s  under cursor
 S  same as cc
 r   replace char

 dw  word
 dd  line
 D   rest of line
 x   under cursor
 X   before cursor
 xp  transpose 

 k   line up
 j    line down
 l    right space
 h   left space
 0   beginning of line
 $   end of line
 w   word forward
 b   word backward
 e   end of word
 G   end of file
 ^D scroll down