linux shell 创建并发后台执行任务并等待任务执行完成

#!/bin/bash

echo "i am main"

for i in $(seq 1 5)
do 
{   sleep 10;
    echo "i am $i";
}&
done

wait

http://www.cnblogs.com/dorothychai/archive/2012/10/19/2730374.html