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What does the exec function in Node.js primarily do?

easy📝 Conceptual Q11 of 15
Node.js - Child Processes
What does the exec function in Node.js primarily do?
ARuns shell commands from within a Node.js program
BCreates a new HTTP server
CReads files from the filesystem
DStarts a database connection
Step-by-Step Solution
Solution:

  1. Step 1: Understand the purpose of exec

    The exec function is designed to run shell commands from Node.js code.

  2. Step 2: Compare with other options

    Creating servers, reading files, or database connections are unrelated to exec.

  3. Final Answer:

    Runs shell commands from within a Node.js program -> Option A

  4. Quick Check:

    exec runs shell commands = B [OK]
Quick Trick: Remember exec runs shell commands, not servers or files [OK]
Common Mistakes:
  • Confusing exec with file reading functions
  • Thinking exec creates servers
  • Assuming exec manages databases

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