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What is the output difference between ls -a and ls in a directory with hidden files?

medium📝 Command Output Q5 of 15
Linux CLI - Navigating the File System
What is the output difference between ls -a and ls in a directory with hidden files?
A<code>ls -a</code> shows hidden files; <code>ls</code> does not
B<code>ls</code> shows hidden files; <code>ls -a</code> does not
CBoth show hidden files
DNeither shows hidden files
Step-by-Step Solution
Solution:
  1. Step 1: Understand default ls behavior

    By default, ls does not show hidden files (those starting with a dot).
  2. Step 2: Effect of -a option

    ls -a shows all files including hidden ones.
  3. Final Answer:

    ls -a shows hidden files; ls does not -> Option A
  4. Quick Check:

    ls -a = includes hidden files [OK]
Quick Trick: Add -a to see hidden files starting with . [OK]
Common Mistakes:
MISTAKES
  • Assuming ls shows hidden files by default
  • Confusing -a with -l
  • Thinking -a hides files

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