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Why might using chmod +x on a script not be enough to run it successfully?

hard🧠 Conceptual Q10 of 15
Bash Scripting - Basics
Why might using chmod +x on a script not be enough to run it successfully?
AThe script might lack a correct shebang line
Bchmod +x deletes the script content
CThe script filename must end with .exe
Dchmod +x only works on directories
Step-by-Step Solution
Solution:

  1. Step 1: Understand chmod +x role

    It only adds execute permission but does not fix script content or interpreter.

  2. Step 2: Identify other requirements for running scripts

    The script needs a valid shebang line to specify which interpreter to use.

  3. Final Answer:

    The script might lack a correct shebang line -> Option A

  4. Quick Check:

    chmod +x ≠ script correctness [OK]
Quick Trick: chmod +x allows execution but script must be valid [OK]
Common Mistakes:
MISTAKES
  • Thinking chmod +x deletes content
  • Believing .exe extension is required
  • Assuming chmod +x works only on folders

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