Overview
<esc> if in doubt
i insert
a append
:q! quit no save
d<space> delete a character
D delete to end of line
r replace
dd delete a line
u undo
25yy copy (yank) 25 lines
p paste / put
:set nu numbers the lines
More detail
The cursor is moved using either the arrow keys or the h,j,k,l keys.
h (left) j (down) k (up) l (right)
