Node.js · Middle · Question 52 of 75

What is the difference between `child_process.exec` and `child_process.spawn`?

1exec runs JavaScript files, spawn runs binaries
2spawn works only on Linux
✓Correct answer: exec runs a command in a shell and buffers all output; spawn streams output and runs without a shell by default

Explanation

Use spawn or execFile for large output or untrusted arguments. Passing user input to exec risks command injection.

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