使用ping命令时，什么样的结果代表ping通了？谢谢！

[啃帖boy]

使用ping命令时，什么样的结果代表ping通了？谢谢！不好意思，问了个很菜鸟的问题。

[leeaman]

ping通就有时间,不同就没有啊,你平一下不久知道了

[懒蜗牛Gentoo]

$ ping www.google.com
PING www.l.google.com (66.249.89.99) 56(84) bytes of data.
64 bytes from nrt04s01-in-f99.google.com (66.249.89.99): icmp_seq=1 ttl=52 time=123 ms
64 bytes from nrt04s01-in-f99.google.com (66.249.89.99): icmp_seq=2 ttl=52 time=123 ms
64 bytes from nrt04s01-in-f99.google.com (66.249.89.99): icmp_seq=3 ttl=52 time=121 ms
64 bytes from nrt04s01-in-f99.google.com (66.249.89.99): icmp_seq=4 ttl=52 time=123 ms
^C
--- www.l.google.com ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3003ms
rtt min/avg/max/mdev = 121.293/122.734/123.390/0.874 ms

这样就通了

[啃帖boy]

没想到回复的这么快啊，谢谢各位的热心帮助！

[tusooa]

代码： 全选

15/11/2009 13:57:15
tusooa (~)
>> ping kdecn.org
PING kdecn.org (59.151.47.6): 48 data bytes
--- kdecn.org ping statistics ---
4 packets transmitted, 0 packets received, 100% packet loss
15/11/2009 13:57:34
tusooa (~)
>> echo $?
1
15/11/2009 13:57:39
tusooa (~)
>> ping google.com
PING google.com (74.125.53.100): 48 data bytes
56 bytes from 74.125.53.100: icmp_seq=0 ttl=40 time=456.173 ms
56 bytes from 74.125.53.100: icmp_seq=1 ttl=40 time=473.388 ms
56 bytes from 74.125.53.100: icmp_seq=2 ttl=40 time=436.979 ms
56 bytes from 74.125.53.100: icmp_seq=3 ttl=40 time=528.700 ms
--- google.com ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max/stddev = 436.979/473.810/528.700/34.208 ms
15/11/2009 13:57:45
tusooa (~)
>> echo $?
0

返回0代表ping通了，非0代表没有ping通