How to Remove at Jobs

1. (Optional) To remove an at job belonging to root or another user, become superuser.

2. Remove the at job from the queue before it is executed.

   $ at -r [job-id]

   -r job-id

   Identification number of the job you want to remove.

3. Verify the at job is removed by using the at -l (or the atq) command to display the jobs remaining in the at queue. The job whose identification number you specified should not appear.

   $ at -l [job-id]

Example--Removing at Jobs

In the following example, a user wants to remove an at job that was scheduled to execute at noon on March 1. First, the user displays the at queue to locate the job identification number. Next, the user removes this job from the at queue. Finally, the user verifies that this job has been removed from the queue.

$ at -l 
852755100.a     Wed Jan  8 13:25:00 1997
852777000.a     Wed Jan  8 19:30:00 1997
858142000.a	    Sat Jan 11 04:00:00 1997
$ at -r 858142000.a
$ at -l 858142000.a
at: 858142000.a does not exist