Node.js FAQ: Top Questions

22. What are child processes in Node.js?

Child processes in Node.js are separate processes spawned by a Node.js application to execute scripts or commands, enabling parallel or external task execution.

Methods: spawn , exec , execFile , fork .
spawn: Streams output, good for long-running processes.
exec: Buffers output, suitable for short commands.
Use Case: Running shell commands, CPU-intensive tasks.

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