#!/bin/bash processes=80 i=0 while [ "$i" -lt "$processes" ] do python servertest.py "$i" & pids=( ${pids[@]} $! ) echo ${pids["$i"]} i=$((i+1)) #sleep 0.1 done #wait for input to exit read -n1 -s #kill our background pythons i=0 while [ "$i" -lt "$processes" ] do echo "${pids["$i"]}" kill "${pids["$i"]}" i=$((i+1)) done