Start, Save, and Quit

• Start: vi {filename}
• Save: Esc + :w
• Quit: Esc + :q
• Quit w. Saving: Esc + :wq
• Quit w.o. Saving:Esc + :q!

Moving the Cursor w.o. mouse

• Left: h or ←
• Right: l or →
• Down: j or ↓
• Up: k or ↑
• Move Left/Right/Down/Up {n} times (Operation Pending Mode): {n}h/j/k/l

Move the Cursor by word

• Forward: w (word)
• Backward: b (backward)
• End: e (end of word)
• Fowrard by space: W
• Backwrad by space: B

Move the Cursor by line

• Start of the line: 0
• Start of the line (except spaces): ^
• Find the first match of a {char} in the line: f + {char}
  • Then, type ; to find the next match and , for the previous match.
• End of the line: $

Search

• Search a {word}: /{word} + Enter
  • Then, type n for the next match and N for the previous match.
• Search the word at the current position: *

Scroll

• Scroll up a line: Ctrl + e
• Scroll up a half page: Ctrl + u
• Scroll down a line: Ctrl + y
• Scroll down a half page: Ctrl + d
• Move to the start of the file: gg
• Move to the end of the file: G

Shift between Modes

• Command Mode -> Instert Mode: a/i/o/A/I/O
• Command Mode -> Command-line Mode: :
• Insert Mode -> Command Mode: Esc or Ctrl + [
• Command Mode -> Visual Mode: v/V/Ctrl+v

Undo & Redo (IMPORTANTTT)

• Undo: u
• Redo: Ctrl + R
• Repeat the last action: .

Delete, Yank (Copy), and Paste in Visual Mode

• Delete: d
• Yank (Copy): y
• Paste: p

Select words w. Visual Mode

• Select a word: viw (visual in word)
• Select words in (): vi(
• Select words in {}: vi{
• Select words in []: vi[
• Select words in ‘’: vi'
• Select words in “”: vi"
• Yank words: yiw (yank in word)

Replace words w. Visual Mode

• Ask each match: :%s/{before}/{after}/c
• Without asking: :%s/{before}/{after}/g

Control Windows

• Split: :sp
• Vertical Split: :vs
• Shift between Windows: Ctrl + w + h/j/k/l
• Quit the current Window: :q
• Open a new file in the current Window: :enew

Edit multiple files

• Open the file explorer: :E
• Show the open files (buffers): :ls
• Move to the next file (buffer): :bn (buffer next)
• Move to the previous file (buffer): :bp (buffer previous)
• Close the current file (buffer): :bd (buffer delete)

Example .vimrc

set nocompatible
set encoding=utf-8
set fileencoding=utf-8
set fileencodings=utf-8,cp949
set termguicolors
set background=dark

set number
set relativenumber
set cursorline
set ruler
set showcmd
set wildmenu
set wildmode=longest:list,full
set title
set showmatch
set matchtime=2

set tabstop=4
set shiftwidth=4
set expandtab
set autoindent
set smartindent

set hlsearch
set incsearch
set ignorecase
set smartcase

nnoremap <Space> :noh<CR>
nnoremap <C-s> :w<CR>
inoremap <C-s> <Esc>:w<CR>
vnoremap <C-c> "+y
nnoremap <C-v> "+p
inoremap <C-v> <C-r>+
nnoremap <C-a> ggVG

autocmd FileType python setlocal expandtab shiftwidth=4 softtabstop=4
autocmd FileType python setlocal tabstop=4
autocmd FileType python setlocal autoindent
autocmd FileType python setlocal smartindent
autocmd FileType python setlocal foldmethod=indent
autocmd FileType python setlocal colorcolumn=80
autocmd FileType python setlocal textwidth=80
autocmd FileType python nnoremap <buffer> <F5> :w<CR>:!python3 %<CR>

autocmd FileType sh setlocal expandtab shiftwidth=4 softtabstop=4
autocmd FileType sh setlocal tabstop=4
autocmd FileType sh setlocal autoindent
autocmd FileType sh setlocal smartindent
autocmd FileType sh setlocal foldmethod=marker
autocmd FileType sh nnoremap <buffer> <F5> :w<CR>:!bash %<CR>

autocmd BufWritePost * silent! call delete(expand('<afile>') . '~')

set autoread
set clipboard=unnamedplus
set backup
set undofile
set history=1000

set lazyredraw
set ttyfast
set synmaxcol=200
set updatetime=300