Sams Teach Yourself Node.js in 24 Hours

Hour 17. The Child Process Module

What You’ll Learn in This Hour:

• What child processes are

• Creating child processes with Node.js

• Running a system command using a child process

• Managing child processes

What Is a Child Process?

In Hour 16, “The Process Module,” you saw how Node.js provides a module to allow you to run and manage a Node.js process. You may also need to create child processes from your Node.js process, and the Child Process module gives you the tools you need to do this. A child process is simply one created by another process. The process that created the child process is referred to as the parent. A parent can have many child processes, but a child process can only have one parent. Some scenarios where you might want ...