Linux CLI - File Permissions and Ownership
A file has permissions '-r--r--r--'. A user tries to edit it but fails. What is the problem?
A file has permissions '-r--r--r--'. A user tries to edit it but fails. What is the problem?
medium📝 Debug Q7 of 15
Step-by-Step Solution
Solution:
Step 1: Analyze the permission string
'-r--r--r--' means read-only for everyone; no write or execute permissions.Step 2: Understand why editing fails
Editing requires write permission, which is missing.Final Answer:
Write permission is missing for all users -> Option DQuick Check:
No write permission = Cannot edit file [OK]
Quick Trick: No 'w' means no editing allowed [OK]
Common Mistakes:
- Confusing execute with write
- Assuming read is missing
- Thinking system lock causes error
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