📝 Types of System Calls

📖 From Operating System • 2. Operating System Structure • 184 questions available

Practice MCQs for Types of System Calls. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-04

Easy Questions

Medium Questions

Hard Questions

Q1. A running program that encounters an error and needs to terminate abnormally can use which system call?

🔹 A. end()

🔹 B. abort()

🔹 C. exit()

🔹 D. signal()

💡 Difficulty: easy | ✅ Correct: B

Q2. The fork() system call in FreeBSD is used to:

🔹 A. Load a new program

🔹 B. Create a new process

🔹 C. Terminate a process

🔹 D. Wait for a process

💡 Difficulty: medium | ✅ Correct: B

Q3. In FreeBSD, the shell can monitor the progress of a background process and:

🔹 A. Change its priority

🔹 B. Terminate it

🔹 C. Both change its priority and terminate it

🔹 D. Only wait for it to finish

💡 Difficulty: hard | ✅ Correct: C

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