Basic SysV-compatible init script

my_init.sh

#!/bin/sh

run_string="command to run program"
kill_match="string to match in ps -ef to find this process"

start() {
  $run_string
}

stop() {
  pid=`ps -ef | grep "$kill_match" | grep -v grep | awk '{print $2}'`
  kill $pid
}

restart() {
  stop
  start
}

case "$1" in
  'start')
    start ;;
  'stop')
    stop ;;
  'restart')
    restart ;;
  *)
    echo "Usage: $0 start|stop|restart"
esac