Linux Foundation Certified System Administrator (LFCS) — Question 86

Which of the following signals is sent to a process when the key combination CTRL+C is pressed on the keyboard?

Answer options

• A. SIGTERM
• B. SIGINT
• C. SIGSTOP
• D. SIGKILL

Correct answer: B

Explanation

The correct answer is B, SIGINT, which is specifically sent to interrupt a process when CTRL+C is pressed. SIGTERM (A) is a termination signal that can be sent programmatically, while SIGSTOP (C) stops a process and SIGKILL (D) forcefully terminates a process without cleanup.