Vim Basics in Linux: Essential Commands

Quick take: Vim has modes: press i to insert text, Esc to return to Normal mode, then type :wq to save and quit (or :q! to quit without saving). Movement and editing happen in Normal mode.

Introduction

Vim is the powerful, ubiquitous terminal editor installed on virtually every Unix system — which is why knowing the basics is essential even if you prefer nano. Its defining feature is modes: you switch between typing text (Insert mode) and issuing commands (Normal mode), which feels strange at first but becomes very fast.

This guide gets you productive with the essentials: the modes, saving and quitting, moving around, editing, and search and replace — enough to confidently edit any file.

Syntax

The basic syntax of the vim command is:

vim [OPTIONS] [FILE]

Understanding Vim Modes

Vim's modes are the key to using it. Normal mode (the default) is for navigation and commands — keys like dd delete a line. Insert mode (press i) is for typing text like a normal editor. Command-line mode (press :) is for actions like saving (:w) and quitting (:q).

The golden rule: when in doubt, press Esc to return to Normal mode, then type your command. If you ever get stuck, Esc followed by :q! exits without saving.

Common Options and Parameters

The most useful options and parameters for the vim command:

Practical Examples

Real vim commands you can run today:

# Open a file in Vim
vim config.yml
# Inside Vim: enter insert mode, type, then save and quit
i  ... type ...  Esc  :wq
# Quit without saving
:q!
# Search for a word
/server
# Replace all occurrences in the file
:%s/8080/80/g
# Jump to line 50
:50

Essential Editing Commands

Once you are comfortable switching modes, a handful of Normal-mode commands make Vim genuinely fast. They combine an operator with a motion, so the same verbs work everywhere.

The magic is composition: d2w deletes two words, 3dd deletes three lines. Learn the verbs and motions separately and they multiply into hundreds of precise edits.

Tips and Best Practices

• Stuck and cannot type? You are probably in Normal mode — press i to insert. Cannot run a command? Press Esc first.
• The famous “how do I exit Vim?” answer is Esc then :wq to save and quit, or :q! to discard changes.
• Run vimtutor in the terminal for a built-in 30-minute interactive lesson.

Final Thoughts

Vim rewards a small upfront investment with lifelong speed. Master the modes, :wq and :q!, basic movement, and :%s/old/new/g, and you can edit any file on any server with confidence. Keep vimtutor handy, and reach for nano when you just want a quick, modeless edit.