vim

Vim built-in help: `:help`.

vimhelp.org (https://vimhelp.org)
Vim reference manual (https://vimhelp.org)

Below is a small subsection of avaliable commands and options.

Motions

Basic motions

h - left
j - down
k - up
l - right

Word motions

w/W   - forward to the beginning of word/WORD
b/B   - backward to the beginning of word/WORD
e/E   - forward to the end of word/WORD
ge/gE - backward to the end of word/WORD

Sentence motions

) - jump forward to sentence
( - jump backward to sentence

Paragraph motion

{  - jump backward to the start of the paragraph (i.e. blank line)
}  - jump forward to the start of the paragraph (i.e. blank line)

Line motions

0  - go to the start of the current line
^  - go to the first non-blank character of the current line
g_ - go to the last non-blank character of the current line
$  - go to the end of the current line

Screen motions

H      – go to the first line of current screen
M      – go to the middle line of current screen
L      – go to the last line of current screen
<C-f> – jump forward one full screen
<C-d> – jump forward half screen
<C-u> – jump back half screen
<C-b> – jump backward one full screen

Buffer motions

gg - jump to the first line
G  - jump to the last line
%  - jump to matching parentheses, brace, or bracket
'' - jump to the line where the cursor was before the last jump

Find motions

f - jump to character
t - jump to behind character
F - jump backward to character
T - jump backward to in front of character
; - jump forward through results
, - jump backward through results

Operators

c  - change
d  - delete
y  - yank
~  - swap case (only if 'tildeop' is set)
g~ - swap case
gu - make lowercase
gU - make uppercase
!  - filter through an external program
=  - filter through 'equalprg' or C-indenting if empty
gq - text formatting
gw - text formatting with no cursor movement
g? - ROT13 encoding
>  - shift right
<  - shift left
zf - define a fold
g@ - call function set with the 'operatorfunc' option

Text objects

aw           - a word (with white spaces)
aW           - a WORD (with white spaces)
as           - a sentence (with white space)
ap           - a paragraph (with white space)
at           - a tag block (with white space)
a"           - double quoted string
a'           - single quoted string
a`           - sting in backticks
ab = a( = a) - from ( to )
aB = a{ = a} - from { to matching }
a<, a>       - from < to matching >
a[, a]       - from [ to matching ]
iw           - inner word
iW           - inner WORD
is           - inner sentence
ip           - inner paragraph
it           - inner tag block
i"           - double quoted string without quotes
i'           - single quoted string without quotes
i`           - sting in backticks without backticks
ib = i( = i) - inner block from ( to matching )
iB = i{ = a} - inner block from { to matching }
i<, i>       - inner block from < to matching >
i[, a]       - inner block from [ to matching ]

Search

/ - search forward
? - search backward
* - search forward for the current word
# - search backward for the current word
n - go to next match
N - go to previous match

Folds

zf{motion} - create a fold
za         - toggle fold open/close
zo         - open fold
zO         - open folds recursively
zc         - close fold
zC         - close folds recursively

Splits

<C-w> r - rotate splits in the same row
<C-w> J - extend the split horizontally to window edges
<C-w> H - extend the split vertically to window edges

g command

gg - go to the first line
G  - go to the last line
gi - last insert
gv - last visual selection
gf - open the path string the cursor is currently on

File navigation

Shift+j - append the next line to the end of the current line
<C-^>  - jump to the last file
Crtl+o  - jump backward in history
<C-i>  = jump forward in history

Spell check

:set spell   - turn on spell checking
:set nospell - turn off spell checking
]s           - jump to the next misspelled word
[s           - jump to the previous misspelled word
z=           - bring up the suggested replacements
zg           - add the word under the cursor to the dictionary
zw           - undo and remove the word from the dictionary

Autocomplete

<C-x> <C-l> - whole lines
<C-x> <C-n> - keywords in the current file
<C-x> <C-k> - keywords in 'dictionary'
<C-x> <C-t> - keywords in 'thesaurus', thesaurus-style
<C-x> <C-i> - keywords in the current and included files
<C-x> <C-]> - tags
<C-x> <C-f> - file names
<C-x> <C-d> - definitions or macros
<C-x> <C-v> - vim command-line
<C-x> <C-u> - user defined completion
<C-x> <C-o> - omni completion
<C-x> s      - spelling suggestions
<C-n>        - next keyword in 'complete'
<C-p>        - previous keyword in 'complete'
<C-y>        - accept the suggestion
<C-e>        - cancel autocomplete

Misc

<C-c> - return to NORMAL mode
<C-o> - run a NORMAL mode command while in INSERT fold
D     - delete to end of line
C     - delete to the end of line and enter INSERT mode
x     - delete character
s     - delete character and enter INSERT mode