Match each Linux signal to its default action.
Drag a concept onto its matching description — or click a concept then click the description.
Terminate process immediately (cannot be caught)
Terminate process gracefully
Hangup; often reloads configuration
Interrupt from keyboard (Ctrl+C)
Stop process (cannot be caught or ignored)
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
SIGINT: Terminate the process
Common Linux signals: SIGINT, SIGTERM, and SIGKILL terminate processes; SIGSTOP and SIGTSTP stop processes; SIGQUIT terminates with a core dump.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
SIGINT: Terminate the process
Why this is correct
SIGINT's default action is to terminate the process (e.g., Ctrl+C).
SIGSTOP: Stop the process
Why this is correct
SIGSTOP's default action is to stop the process; it cannot be caught or ignored.
SIGQUIT: Core dump
Why this is correct
SIGQUIT's default action is to terminate the process and generate a core dump.
SIGTERM: Stop the process
Why it's wrong here
Incorrect — SIGTERM's default action is to terminate, not stop.
SIGKILL: Core dump
Why it's wrong here
Incorrect — SIGKILL's default action is to terminate immediately; it cannot be caught or ignored and does not generate a core dump.
SIGTSTP: Terminate the process
Why it's wrong here
Incorrect — SIGTSTP's default action is to stop the process (can be caught/ignored).
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About these practice questions
One of 527 original LPIC-1 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This LPIC-1 practice question is part of Courseiva's free LPI certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the LPIC-1 exam.