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Why might some cron jobs not appear in the cron log file even though they run successfully?

hard📝 Conceptual Q10 of 15
Linux CLI - Cron and Scheduling
Why might some cron jobs not appear in the cron log file even though they run successfully?
ABecause the cron log file is only for failed jobs
BBecause cron jobs never log to files by default
CBecause the cron daemon logging level is set too low or logging is disabled for those jobs
DBecause the user does not have permission to run cron jobs
Step-by-Step Solution
Solution:
  1. Step 1: Understand cron logging behavior

    Cron logs depend on daemon configuration and logging level; some jobs may not be logged if logging is minimal or disabled.
  2. Step 2: Analyze other options

    Cron jobs do log by default if logging is enabled. Logs include success and failure. User permission affects job running, not logging.
  3. Final Answer:

    Because the cron daemon logging level is set too low or logging is disabled for those jobs -> Option C
  4. Quick Check:

    Cron logging depends on daemon config and level [OK]
Quick Trick: Cron logs depend on daemon logging settings [OK]
Common Mistakes:
  • Assuming all cron jobs always log
  • Thinking cron logs only failures
  • Confusing user permissions with logging

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