Vim What? › Commands › :

The `:` command in Vim

Command

command line

Enter the command-line (Ex) mode. Type a command and press Enter to execute. Essential commands: :w save, :q quit, :s substitute, :g global, :! shell.

Examples

:w (save)
:q! (quit without saving)
:%s/old/new/g (replace all)
:g/pattern/d (delete matching lines)
:help topic
:set number

Reference

Official Vim help for : →

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Related commands

The : command in Vim

The `:` command in Vim