Listing pending at jobs | LinuC Level 1 102 Exam original practice question

1.08.2Basic

List the current user's pending at jobs without changing them.

Which command is appropriate?

Hint 1: Focus on the scheduling model

Separate recurring schedules, one-time jobs, access-control files, and catch-up behavior before comparing the commands or settings.

Hint 2: Key terms

Review the short definitions of recurring schedules, one-time jobs, access-control files, and catch-up behavior involved.

atq: Lists the current user's pending one-time at jobs and their identifiers.
at: Creates a new one-time job for a specified time.
atrm: Deletes a pending at job by identifier.
Cron queue: The separate set of recurring jobs managed through crontab.

Detailed explanation

Incorrectat

Incorrect. at registers a new one-time job.

Incorrectatrm

Incorrect. atrm deletes a selected job.

Correctatq

Correct. atq lists pending jobs.

Incorrectcrontab -l

Incorrect. crontab -l lists recurring cron entries.

An example you can run in a temporary verification environment.

atq --help 2>&1 | sed -n '1,8p'

atqの使用方法

Foundation review

A scheduler for recurring jobs described by a time-field table.

A scheduler for one-time jobs queued for a specified time.

A scheduler that can run periodic jobs after a system was unavailable.

Question IDKL-102-1047

Environmentatq help / キュー変更なし

Last technical review2026-08-13

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