Answer
Child processes allow running OS-level processes. Useful for executing scripts, shell commands, or parallel computation.
Quick Answer
Child processes let you run external programs or additional Node.js scripts from your app — spawning a Python script, running a shell command, or offloading heavy computation. child_process.spawn() starts a process and streams its output; exec() runs a command and returns the full output as a string. Workers communicate via IPC messaging.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ