[Solved] What will be the output of systemctl list-timers --all if no timers are active or installed? — Ans: NEXT LEFT LAST PASSED UNIT ACTIVATES -- -- -- -- -- -- | Linux CLI

Linux CLI - Cron and Scheduling

What will be the output of systemctl list-timers --all if no timers are active or installed?

ALIST TIMERS No timers found.

BNEXT LEFT LAST PASSED UNIT ACTIVATES -- -- -- -- -- --

CNo timers listed.

DNo timers found.

Step-by-Step Solution

Solution:

Step 1: Understand systemctl list-timers output format
The command always prints a header line with columns even if no timers exist.
Step 2: Analyze options
Only NEXT LEFT LAST PASSED UNIT ACTIVATES -- -- -- -- -- -- shows the correct header line with no timers listed below it. Other options are not actual outputs.
Final Answer:
Header line with columns but no timers listed -> Option B
Quick Check:
Empty timers output = header only [OK]

Quick Trick: Empty timer list still shows header columns [OK]

Common Mistakes:

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What will be the output of systemctl list-timers --all if no timers are active or installed?