LFCS Service Configuration Practice Question

Match each Linux process signal to its numeric value.

Drag a concept onto its matching description — or click a concept then click the description.

Concepts

Matches

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

SIGKILL: 9

Common Linux signal numbers: SIGKILL=9, SIGTERM=15, SIGSTOP=19, SIGCONT=18, SIGINT=2. Distractors mix up these values.

Answer analysis

For each option: why learners choose it and why it is or isn't the right answer here.

✓
SIGKILL: 9
Why this is correct
SIGKILL is signal 9, which immediately terminates a process and cannot be caught or ignored.
✓
SIGTERM: 15
Why this is correct
SIGTERM is signal 15, the default termination signal that can be caught or ignored.
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SIGSTOP: 19
Why this is correct
SIGSTOP is signal 19, which pauses a process and cannot be caught or ignored.
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SIGKILL: 15
Why it's wrong here
Incorrect — SIGKILL is 9, not 15. SIGTERM is signal 15.
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SIGCONT: 25
Why it's wrong here
Incorrect — SIGCONT is signal 18, not 25. Signal 25 is SIGXFSZ.
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SIGINT: 9
Why it's wrong here
Incorrect — SIGINT is signal 2, not 9. SIGKILL is signal 9.

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