TKTN is the Task Termination Notification program. When a task aborts, TKTN prints the cause of the abort and dumps the task's registers on the terminal the task was running from. TKTN also prints device driver messages on the console, notifying the operator when a device is not ready or when a device has been dismounted. See the RSX-11M/M-PLUS MCR Operations Manual or the RSX-11M/M-PLUS Command Language Manual for a description of the TKTN messages.