#!/bin/bash

###这是个多线程脚本!!!!

for i in {..}

do

    {

    ping -c  192.168..$i >/dev/null

    if [ $? =  ];then

        echo "192.168.2.$i 存活"

    else

        echo "192.168.2.$i 不存活"

    fi

    } &

done

wait