LFCS Question #293: Real Exam Question with Answer & Explanation

The correct answer is A: atrm. To remove a pending job scheduled with the at command, the administrator must use the atrm utility.

Submitted by eva_at· Apr 18, 2026Essential Commands

Question

An administrator discovers a pending job for the at command. Which of the following does the administrator need to use to remove it?

To remove a pending job scheduled with the at command, the administrator must use the atrm utility.

Common mistakes.

B. atq lists pending at jobs, but the -r option is not standard for removal; atq is for querying, not removing jobs from the queue.
C. at -e is used to edit an at job's details, not to remove the job itself from the queue.
D. rmat is not a standard Linux command for managing at jobs.

Concept tested. Managing at scheduled jobs

Reference. https://manpages.ubuntu.com/manpages/jammy/en/man1/at.1.html

#at command#Job scheduling#Command-line utilities

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