M Mr. Dubey 🎓 Coach ⭐ 104.58K Points 📊 MS Dos Q. What is the extension of a system file in MS-DOS? (A) .exe (B) .bat (C) .sys (D) .com 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (C) .sys Explanation: System files in MS-DOS usually have the extension .SYS.