How do I autocomplete words from a dictionary file while typing in insert mode?
<C-x><C-k>
Vim's insert-mode completion system includes dictionary lookup via .
Tag: editing
How do I close one more level of folds without collapsing all folds at once?
zm
Instead of jumping between fully open (zR) and fully closed (zM), zm and zr let you step through fold levels one at a time.
How do I complete words using a thesaurus for synonym suggestions in Vim insert mode?
<C-x><C-t>
Vim's insert-mode completion includes a thesaurus mode triggered by .
How do I speed up Vim when editing files with very long lines like minified code or CSV?
:set synmaxcol=200
The synmaxcol option tells Vim the maximum column up to which it will apply syntax highlighting on each line.
How do I automatically apply the first spelling suggestion without opening the full suggestion list?
1z=
The z= command opens an interactive numbered menu of spelling corrections for the word under the cursor, requiring you to type a number and press Enter.
How do I collapse multiple consecutive blank lines into a single blank line throughout a file?
:g/^$/,/./-j
The command :g/^$/,/.
How do I scroll the buffer up or down while staying in insert mode?
<C-x><C-e> and <C-x><C-y>
While in insert mode, scrolls the window up one line and scrolls it down one line — all without leaving insert mode.
How do I permanently add a word to my personal spell file so Vim stops marking it as misspelled?
zg
When Vim's spell checker flags a technical term, proper noun, or project-specific identifier as misspelled, you can permanently silence it with zg ("mark as goo
How do I configure Tab and Backspace to always move by a fixed number of spaces when using expandtab?
:set softtabstop=4
When expandtab is enabled, Vim inserts spaces instead of a real tab character, but without softtabstop, Backspace only deletes one space at a time — not a ful
How do I open or close every fold in the entire file at once?
zR and zM
When working with a heavily folded file, manually opening or closing each fold is tedious.
How do I trigger a custom user-defined completion function in insert mode?
<C-x><C-u>
Vim's invokes a user-defined completion function, letting you plug any completion logic you want into the standard insert-mode completion popup.
How do I use keyword completion that searches included files and headers in Vim?
<C-x><C-i>
Vim's completion mode searches for keyword matches not just in the current buffer, but also in all files reachable via include directives (e.
How do I sort lines numerically so that 10 sorts after 2 rather than before it?
:'<,'>sort n
By default, :sort in Vim uses lexicographic (alphabetical) ordering, so "10" sorts before "2" because "1" sort n — sort selected lines by the leading number,
How do I undo all changes made since the last time I saved the file in a single step?
:earlier 1f
The :earlier {count}f command navigates Vim's undo tree to the state of the buffer at the time of the last (or Nth) file write.
How do I jump to the start or end of the last changed, yanked, or pasted text using automatic marks?
'[ and ']
Vim automatically sets two special marks after every change, yank, or put operation: '[ and '].
How do I delete a fold definition at the cursor without deleting the underlying text?
zd
zd removes the fold definition at the cursor position — the text inside the fold is not deleted.
How do I diagnose plugin and system issues from within Neovim using the built-in health checker?
:checkhealth
Neovim ships with a built-in health framework that runs diagnostic checks for core components and installed plugins.
How do I make Vim spell check CamelCase and mixedCase identifiers as individual words?
:set spelloptions=camel
By default, Vim treats camelCase as a single word and flags it as a spelling error even when both camel and case are correctly spelled.
How do I selectively accept LOCAL or REMOTE changes in a three-way git merge using Vim?
:diffget LOCAL
When Vim is configured as a git mergetool, it opens a three-way split with the LOCAL (your branch), REMOTE (their branch), and MERGED (the output file) buffers.
buffers-windows #buffers-windows #diff #editing #command-line
How do I delete all lines matching my last search pattern without retyping it?
:g//d
:g//d uses an empty pattern in the global command, which instructs Vim to reuse the last search pattern.