Useful Vim commands Cheat Sheet by Makis

yiw	yank (inner) word
viwp	replace word with yanked
viw"0p	replace another word with yanked
ctrl-r +	paste from OS paste board

H / M / L	move to top/mi­ddl­e/b­ottom of screen
ctrl-d/u	move half screen down/up

ctrl-t/d	Indent current line forwar­d/back in insert mode
</>	Indent block in visual mode (repeat with .)
:set shiftw­idth=4	Set indent to 4
:set tabstop=8	Set tab to 8
:set (no)ex­pandtab	Convert (space­s)tabs
:set pastet­oggle	change to paste mode
:set expandtab + set ts=4 + :%retab!	Convert tabs to four spaces in entire file
:set noexpa­ndtab + set ts=4 + :%retab!	Convert spaces to tabs in entire file

zM/zR	fold/u­nfold buffer
zc/zo	fold/u­nfold paragraph
zC/zO	fold/u­nfold all levels in paragraph
:set foldmethod=indent	fold by indent­ation
:set foldmethod=syntax	fold by syntax

n Ctrl-<>	dec/inc window width by n
n Ctrl-+/-	inc/dec window height by n
Ctrl-W=	make windows equal size
Ctrl-w s/v	split window horizo­nta­lly­/ve­rti­cally
Ctrl-w c	close window
Ctrl-w w	move to next window
Ctrl-w hjkl	move to hjkl window

:mksession <fi­le>	Save session
:source <fi­le> or vim -S <fi­le>	Open session
vim --remote	Open file in existing window
vim --sess­ionname <na­me>	Create new session <na­me>
vim --serv­ername <na­me>	Open file in existing session <na­me>

ctrl-]	jump to definition
ctrl-w }	show preview

ma	set local mark a
mA	set global mark A
'a	jump to line with mark a
`a	jump to position with mark a

:%!command	filter buffer through command
:w !sudo tee %	save file even if write protected
:%s//<­bar­>/g	replace every occurence of last search term with <ba­r>
:%s/<c­-rw­>/<­foo­>/g	replace every occurence under cursor with <fo­o>
:g/pat­tern/d	delete lines containing pattern
:v/pat­tern/d	delete lines not containing pattern
:n,m ! cmd	filter lines n to m through shell cmd
:new|r ! cmd	run cmd, put output to new window
:set wrap linebreak nolist	set soft wrap
:set list	show spaces, tabs, newlines
:nohls­­earch	clear search highlights
:%!nl -ba	Add line numbers (different from :set number)

,cc	comment code
,co	uncomment code
,c / ,v	copy/paste from persistent buffer
,a	Search for pattern with ack-grep
,A	Search word under cursor with ack-grep