Vim

Essential vim

essential.vim set nocompatible filetype plugin on

Launching the vim vim -u code/essential.vim

Notations

Notation	Meaning
<C-n>	While holding press n
g<C-]>	Press g, then while holding press ]
<C-r>0	While holding press r, then release and press 0
<C-w><C-=>	While holding press w then =

Commands

Command	Description
*	searches for the word under cursor
.	Repeat the last action
>>	Indents line
s	delete single character

Compound commands

Compound Command	Eqiovalent Longhand
C	c$
s	cl
S	ˆs
A	$a
o	A<CR>
O	ko

NB! They all switch from normal mode to insert mode.

Repeatable actions and how to Reverse them

Intent	Act	Repeat	Reverse
Make a change	{edit}	.	u
Scan line for next character	f{char}/t{char}	;	,
Scan line for previous character	F{char}/T{char}	;	,
Scan document for next match	/pattern<CR>	n	N
Scan document for previous match	?pattern<CR>	n	N
Perform substitution	:s/target/replacement	&	u
Execute a sequence of changes	qx{changes}q	@x	u

Vim oprators commands

Trigger	Effect
c	Change
d	Delete
y	Yank register
g~	Swap case
gu	Make lowercase
gU	Make Uppercase
>	Shift right
<	Shift left
=	Autoindent
!	Filter{motion lines through an external program}
<C-h>	Delete back on character (backspace)
<C-w>	Delete back one word
<C-u>	Delete back to start of line
K	Look up the man pages under the cursor
J	Join the current and the next lines togehter
r	Replace the word under cursor
R	Go to replace mode

Inserting unusuual Characters

Keystrokes	Effect
<C-v>{123}	Insert a character by decimal code
<C-v>u{123}	Insert a character by hexadecimal code
<C-v>{nondigit}	Insert nondigit literally
<C-k>{char1}{char2}	Insert character represented by {char1}{char2} diagraph

Inside insert mode press <C-o>zz to move the screen to zenter Inside insert mode press <C-r>=10+10<CR> Inside insert mode press <C-v>065will insert A Inside insert mode press <C-v>u00bfwill insert ¿

Enabling visual modes

Command	Effect
v	Enable character-wise Visual mode
V	Enable line-wise Visual mode
<C-v>	Enable block-wise Visual mode
gv	Reselecet the last visual selection

Command line mode

Command	Effect
:6t.	Copy line 6 to just below the current line
:6t.	Copy the current line to just below line 6
:t.	Duplicate the current line (similar to Normal mode yyp)
:t$	Copy line 6 to just below the current line
:’<,’>t0	Copy the visually selected lines to the start of the file
q/	Open the command-line window with history of searches
q:	Open the command-line window with history of Ex commands
crtl-f	Switch from Command-Line mode to the command-line window