#!/bin/bash


trap '\
echo; \
echo "The following machines were in the middle of running a task."
for i in ${!ARRAYNAME[@]}; do \
   machine=${ARRAYNAME[$i]}
   echo "PID: $i Machine: ${ARRAYNAME[$i]}"; \
   kill -9 $i; \
done; \
echo "You may need to manually run the desired task on these machines."; \
exit' SIGHUP SIGINT SIGTERM

declare -a ARRAYNAME
for i in `seq 10 20`; do
	sleep 20 &
	ARRAYNAME[$!]="machine-$i"
done

wait