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You execute df -h /invalidpath and receive an error message. What is the most probable reason?

medium📝 Debug Q6 of 15
Linux CLI - Disk and Storage
You execute df -h /invalidpath and receive an error message. What is the most probable reason?
AThe specified path does not exist or is not mounted
BThe <code>-h</code> option is invalid
CThe disk is full
DYou lack permissions to run <code>df</code>
Step-by-Step Solution
Solution:

  1. Step 1: Understand the error cause

    If df is run on a path that does not exist or is not a mount point, it will error.

  2. Step 2: Check the -h option validity

    -h is a valid option for human-readable output.

  3. Step 3: Consider other options

    Disk full or permission issues usually produce different errors.

  4. Final Answer:

    The specified path does not exist or is not mounted -> Option A

  5. Quick Check:

    Verify path existence with ls /invalidpath [OK]
Quick Trick: df errors if path is missing or unmounted [OK]
Common Mistakes:
  • Assuming -h causes errors
  • Thinking disk full causes this error
  • Ignoring path validity

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