Some vi commands	printable version (.doc)
(some of them may not work in certain kinds of vi versions)

Mixed		Moving
:help	CTRL-] ... get into item, CTRL-T ... leave item, :q<Enter> ... quit help	<n> h j k l	left, down, up, right (n-times, n=1 if omitted)
:map	look at macro definitions	0 | $	move to beginning | end of line
:map ^Z ddOHallo!^[0j	means map the key ^Z to following macro: delete line (dd), create new line above cursor (O), insert "Hallo!", stop insert mode (ESC=^[), go to beginning of line (0), goto next line (j)	<n>|	move to column n, if n omitted move to column 1 ("|" means pipe)
:unmap <key>	kills macro binding	<n>e	n words forward (end of word)
:set ic	ignore case (for searching and replacing)	<n>w	n words forward (beginning of word), Shift -<right arrow>
:set nu	display line numbers	<n>b	n words backward (beginning of word), Shift-<left arrow>
u | U	undo last change | recover last line	<n>g	go n lines down
. (dot)	repeat last command	<n>G	goto line n, if n omitted goto end of file
^G	show filename, current line number, total line numbers, ...
^V	quote next char, eg. ^V^M is newline
Paging		Searching
^F	page forward	/<pattern><RET>	search pattern forward
^B	page backward	?<pattern><RET>	search pattern backward
^D	half page forward	n | N	find next | previous match
^U	half page backward
^Y	scroll window up one line
^E	scroll window down one line
Inserting		Deleting
i	insert text under the cursor	x	delete character under the cursor
o | O	create a new line under | above the cursor and insert text	X	delete previous character
a	insert after cursor	de	delete the remaining word from cursor-position (excl following space)
A	insert at end of line	dw	delete the remaining word from cursor-position (incl following space)
J	concatenate this and next line	d$	delete to end of line
		p | P	paste after | before cursor
		dG	delete to end of file
		[n]dd	delete the entire [n] line(s)
Copying		Substitute
	<reg> is a single letter register name: "a - "z ... replace reg contents, "A - "Z ... append to reg content	r | R	replace char under cursor | replace until ESC
["<reg>][<n>]yy	copy n lines into register reg, n=1 if omitted	s	character under the cursor is substituted by a string
["<reg>]1y6<RET>	copy 1 x 6 characters into register reg (chars right from cursor)	cw	the remaining word from cursor-pos is substituted by a string
["<reg>]6y1<RET>	copy 6 x 1 characters into register reg (chars right from cursor)	cc	the entire line is substituted by a string
["<reg>]p	insert register reg (below cursorposition if reg contains lines, after cursorposition if reg contains characters)	:[rng]s/abc/xyz/[c g i]	substitute "abc" by "xyz" : c: confirm, g: whole line, i: case insensitive rng: range, example 5,7 : line 5 to 7 = 3 lines, . current, $ last, % all (=1,$)
:reg	display contents of registers
Leaving		Files
:q	no changes were made	:r[ead] <filename>	insert file at cursor position
:q!	ignore changes	:e[dit][!] <filename>	[force (=ignore changes)] edit filename
:wq	write file and quit	:w[rite][ <filename>]	save file, another filename can be chosen
Windows
^Ws	split horizontally (same file)
^Wv	split vertically (same file)
^Wn	split horizontally (new file)
^Wc	close current window
^Wq	quit current window
^Wj	select window above
^Wk	select window below
<n>^W+, <n>^W-	resize current window