Linux CLI - File Permissions and Ownership
What is the numeric (octal) permission equivalent of
rwxr-x---?What is the numeric (octal) permission equivalent of rwxr-x---?
medium📝 Command Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Convert owner permissions 'rwx' to octal
'rwx' means read(4) + write(2) + execute(1) = 7.Step 2: Convert group permissions 'r-x' to octal
'r-x' means read(4) + execute(1) = 5.Step 3: Convert others permissions '---' to octal
No permissions = 0.Final Answer:
750 -> Option CQuick Check:
rwx = 7, r-x = 5, --- = 0 [OK]
Quick Trick: Add 4+2+1 for each permission set [OK]
Common Mistakes:
- Mixing up execute and write values
- Forgetting to add values correctly
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