How do I speed up Vim's insert mode completion by disabling include-file scanning?
:set complete-=i
Vim's complete option controls which sources are scanned when you press or to complete a word.
Category: config
How do I assign a key to toggle paste mode on and off without typing :set paste each time?
:set pastetoggle=<F2>
The pastetoggle option assigns a single key to toggle Vim's paste mode on and off without typing :set paste or :set nopaste every time.
How do I display a single shared status line at the bottom of Neovim instead of one per split window?
:set laststatus=3
Neovim 0.
How do I customize the vertical split separator and fold indicator characters in Vim?
:set fillchars+=vert:│,fold:·
The fillchars option controls the filler characters Vim uses for various UI elements — window separators, fold fill lines, diff padding, and more.
How do I configure what types of numbers Vim recognizes when using Ctrl-A and Ctrl-X to increment or decrement?
:set nrformats=
The nrformats option controls which number formats (increment) and (decrement) recognize.
How do I make the indent width automatically match the tabstop setting without keeping them in sync manually?
:set shiftwidth=0
Setting shiftwidth=0 tells Vim to use the value of tabstop wherever shiftwidth would normally be consulted — for the > and and in insert mode, and auto-indent
How do I toggle a boolean Vim option on and off without typing the full :set option or :set nooption each time?
:set option!
For any boolean option, appending ! to :set inverts its current value.
How do I make the = operator use an external formatter instead of Vim's built-in indentation?
:set equalprg={program}
The equalprg option replaces Vim's built-in = indentation operator with any external formatting program.
How do I define custom fold marker strings instead of the default {{{ }}} in Vim?
:set foldmarker=region,endregion
When using foldmethod=marker, Vim looks for the strings in foldmarker to identify fold boundaries.
How do I write a file in Vim without triggering BufWritePre or other write autocmds?
:noautocmd w
The :noautocmd modifier runs any Ex command while suppressing all autocmd events for its duration.
What built-in LSP keymaps does Neovim 0.10+ provide automatically when a language server is attached?
grn, gra, grr, gri
Starting with Neovim 0.
How do I make j and k navigate display lines normally but physical lines when given a count?
nnoremap <expr> j v:count == 0 ? 'gj' : 'j'
By default, j and k move by physical lines (newline-delimited), which jumps over the entire visual span of a long wrapped line in a single keystroke.
How do I make the tilde key work as a case-toggle operator so I can use motions like ~w or ~ip?
:set tildeop
By default, ~ toggles the case of a single character and advances the cursor.
How do I control which sources Vim searches when triggering keyword completion with Ctrl-N?
set complete=.,w,b,u,t
The complete option controls which sources Vim scans when you press or for generic keyword completion.
How do I display a visual column showing fold depth and fold markers on the side of the buffer?
:set foldcolumn=3
The foldcolumn option adds a narrow column on the left side of the window that visually represents the fold structure of the file.
How do I integrate a custom build tool or test runner with Vim's :make command and quickfix list?
:set makeprg={command}
Vim's :make command runs a build program and automatically loads its output into the quickfix list so you can jump directly to errors and warnings.
How do I inspect all syntax highlight groups stacked under the cursor to debug colorscheme or syntax issues?
:echo map(synstack(line('.'), col('.')), 'synIDattr(v:val, "name")')
When syntax highlighting looks wrong or a colorscheme override isn't taking effect, you need to know exactly which highlight groups are active under the cursor.
How do I hide or replace the ~ characters that appear at the end of a buffer?
:set fillchars+=eob:
By default, Vim fills empty lines after the end of a buffer with ~ characters.
How do I enable a popup menu for command-line tab completion in Neovim?
:set wildoptions=pum
Setting wildoptions=pum tells Neovim to use its popup menu for command-line tab completion instead of the traditional horizontal wildmenu bar.
How do I enable inline character-level diff highlighting in Neovim's diff mode?
:set diffopt+=linematch:60
Neovim's linematch diffopt enables intra-line diff highlighting — instead of marking an entire changed line, Neovim highlights only the specific characters th