This command allows you to cancel one or more jobs.
The general format is:
scancel [OPTIONS...] [job_id[_array_id][.step_id]] [job_id[_array_id][.step_id]...]
E.g. to cancel a job name 12345 use
scancel 12345
To cancel the element ID 15 in a job array of a job number 12445 use:
scancel 12445_15
To cancel the step ID 1 in a job 6666 use:
scancel 6666.1
To cancel all the jobs for a user bob use:
scancel -u bob