linux ping 并发执行

 

 

?

#!/bin/bash

IP="10.0.0."

 

for i in `seq 2 10`

do

{

    ping=`ping -c 2 -w 2 $IP$i > /dev/null`

    if [ $? -eq 0 ];then

　　　　 echo "ping $IP$i is up"

    else

        echo "ping $IP$i is down"

    fi } &

done