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You have a script that must be executable by the owner and group, but not by others. Which numeric permission mode fits this requirement?

hard📝 Application Q9 of 15
Linux CLI - File Permissions and Ownership
You have a script that must be executable by the owner and group, but not by others. Which numeric permission mode fits this requirement?
A760
B775
C770
D744
Step-by-Step Solution
Solution:

  1. Step 1: Define required permissions

    Owner and group need full permissions (7), others no permissions (0).

  2. Step 2: Combine digits

    Owner=7, group=7, others=0 forms 770.

  3. Final Answer:

    770 -> Option C

  4. Quick Check:

    Owner=7, Group=7, Others=0 = 770 [OK]
Quick Trick: 7 for owner and group, 0 for others [OK]
Common Mistakes:
  • Using 775 which allows others execute
  • Confusing digits order

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