Node.js Child Processes

Spawn and execute system terminal binaries using spawn and exec.

❮ Previous Next ❯

The child_process module provides the ability to spawn subprocesses. spawn() streams output from long-running processes, while exec() buffers output for simple commands.

Key Takeaways: Node.js Child Processes

Mastering Node.js Child Processes helps you write clean and reliable Node.js code. Follow standard conventions, test edge cases, and keep logic simple. Try running the code example below and complete the exercises to build confidence.

Node.js Child Processes Code Example

Node.js

const { exec } = require("child_process");

exec("node -v", (error, stdout, stderr) => {
  if (!error) console.log("Node version:", stdout.trim());
});

Output

Node version: v20.x.x

Run this example on your own computer. The "Get Started" lesson shows how to set it up.

Finished this lesson?

Mark it complete to track your progress.

❮ Previous

Node.js Streams and Buffers

Next ❯

Node.js Worker Threads

Stuck on something?

Ask the community in the CodesInTech forum.

Need a developer?

Learning on your own is great — and when you need professional help, our team builds custom software, websites and mobile apps for clients worldwide.

Explore Our Services

Node.js Child Processes

💡 Key Takeaways: Node.js Child Processes

Node.js Child Processes Code Example

Key Takeaways: Node.js Child Processes