see http://docs.freebsd.org/44doc/usd/12.vi/paper.html
probobly should cover a summary of sections: 1.5. Arrow keys 1.7. Getting out of the editor 2. Moving around in the file 3. Making simple changes 5.1. Writing, quitting, editing new files
Notes from Jacob K.:
:w write
:wq write, quit
:wq! force write, quit
:q! quit, ignore changes
dd delete whole line
:y yank the current line
p put after the position of after the line
x exit, saving changes
i insert before the cursor
a append after the cursor
/ - search forward for whatever follows the /
? search back for string
1G move to first line of file
G move to last line of file
nG move to n line of file
:n move to n line of file
: - enter a command
:r read file in after line
ZZ exit and save changes if any have been made
:set number - sets lines numbers on each line
:set list - TODO