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What is the main purpose of Node.js execFile function?

easy📝 Conceptual Q11 of 15
Node.js - Child Processes
What is the main purpose of Node.js execFile function?
ATo read files from the file system
BTo run JavaScript code inside a browser
CTo create a new Node.js server
DTo run an executable file directly without using a shell
Step-by-Step Solution
Solution:

  1. Step 1: Understand execFile's role

    The execFile function is designed to run executable files directly, not scripts or servers.

  2. Step 2: Compare with other Node.js functions

    Unlike exec, which runs commands in a shell, execFile runs the file directly, making it safer and faster.

  3. Final Answer:

    To run an executable file directly without using a shell -> Option D

  4. Quick Check:

    execFile runs executables directly = A [OK]
Quick Trick: execFile runs programs directly, no shell involved [OK]
Common Mistakes:
  • Confusing execFile with exec which uses a shell
  • Thinking execFile runs JavaScript code in browser
  • Assuming execFile reads or writes files

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