#!/bin/bash FILE="/tmp/samba/delme_glg" SIZE=300000000 cleanup() { rm -f "$FILE" exit 0 } trap cleanup ERR HUP INT set -e date ./seekwrite "$FILE" $SIZE & sleep 0.1 sudo -b tcpkill -i lo -9 port 445 #echo $? sleep 0.1 sudo killall tcpkill sleep 0.01 killall seekwrite #ls -l "$FILE" sleep 0.1 ./seekwrite "$FILE" $SIZE & sleep 0.01 killall seekwrite cleanup