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What is the default signal sent by the kill command if no signal is specified?

easy📝 Conceptual Q11 of 15
Linux CLI - Process Management
What is the default signal sent by the kill command if no signal is specified?
ASIGINT (interrupt the process)
BSIGTERM (terminate gracefully)
CSIGSTOP (pause the process)
DSIGKILL (force kill immediately)
Step-by-Step Solution
Solution:

  1. Step 1: Understand the default behavior of kill

    The kill command sends signals to processes. If no signal is specified, it sends the default signal.

  2. Step 2: Identify the default signal

    The default signal is SIGTERM, which asks the process to terminate gracefully, allowing cleanup.

  3. Final Answer:

    SIGTERM (terminate gracefully) -> Option B

  4. Quick Check:

    Default kill signal = SIGTERM [OK]
Quick Trick: Remember: kill defaults to SIGTERM for polite stop [OK]
Common Mistakes:
  • Confusing SIGKILL as default signal
  • Thinking SIGSTOP pauses instead of terminates
  • Assuming SIGINT is default for kill

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