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Why does using 'exit 0' after a failing command cause silent failures in bash scripts?

hard🧠 Conceptual Q10 of 15
Bash Scripting - Error Handling
Why does using 'exit 0' after a failing command cause silent failures in bash scripts?
ABecause 'exit 0' prints error messages automatically
BBecause 'exit 0' stops the script immediately
CBecause 'exit 0' signals success even if there was an error
DBecause 'exit 0' retries the failed command
Step-by-Step Solution
Solution:

  1. Step 1: Understand exit codes meaning

    Exit code 0 means success; using it after failure hides the error.

  2. Step 2: Effects on error detection

    Scripts or users see success status, so errors go unnoticed, causing silent failures.

  3. Final Answer:

    Because 'exit 0' signals success even if there was an error -> Option C

  4. Quick Check:

    'exit 0' hides errors, causing silent failures [OK]
Quick Trick: Exit codes must reflect real success or failure [OK]
Common Mistakes:
MISTAKES
  • Thinking exit 0 stops script only
  • Expecting exit 0 to show errors
  • Believing exit 0 retries commands

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