M Mr. Dubey 🎓 Coach ⭐ 103.11K Points 📊 Linux Q. What is the use of the 'chmod 644 filename' command? (A) Sets read/write for owner, read-only for group and others (B) Sets execute permissions for all (C) Removes all permissions (D) Gives full access to all users 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (A) Sets read/write for owner, read-only for group and others Explanation: 644 means owner can read/write, group and others can read only.