Q. How do you display the last 20 lines of a file? (A) tail -20 filename (B) head -20 filename (C) cat filename | last 20 (D) more filename 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (A) tail -20 filename Explanation: 'tail -20' shows last 20 lines.