File System in Node.js | Read, Write, Update & Delete Files

In this video, you’ll learn the Node.js File System (fs) module, which allows you to read, write, update, and delete files on the server. File handling is a core backend skill used in logging, uploads, configuration files, and real-world applications.

This tutorial is ideal if you’re:

Learning Node.js backend development

Preparing for college exams or interviews

Building real backend or MERN stack projects

Understanding server-side file handling

What you’ll learn:

What the File System (fs) module is

Reading files in Node.js

Writing and appending files

Updating and deleting files

Synchronous vs asynchronous file operations

Common fs methods (readFile, writeFile, appendFile, unlink)

Best practices and common mistakes

The fs module is used everywhere—from logs and reports to uploads and configs. Mastering it makes your backend code practical and production-ready.

👍 Like, 📌 Share, and 🔔 Subscribe for more Node.js, Backend Development, APIs, and MERN Stack tutorials.

Keywords naturally covered:

node js file system, fs module node js, file handling in node js, node js fs tutorial

High-Intent YouTube Tags (SEO Fuel)

node js file system
fs module node js
node js fs
file system in node js
node js file handling
node js read file
node js write file
node js append file
node js delete file
node js async vs sync
node js backend
node js tutorial for beginners
learn node js
server side javascript
backend development
node js web development
api basics node js
mern stack
full stack development
javascript backend
node js interview questions
college syllabus node js