How does Node.js handle child processes?
Instruction: Explain how Node.js can create and manage child processes, and why this capability is useful.
Context: This question assesses the candidate's understanding of the child_process module in Node.js and its applications in executing external processes or scripts from a Node.js application.
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To begin with, Node.js can create child processes using functions provided by the child_process module, such as exec, spawn, fork, and execFile...