root@iot2040:/dev# ping www.taobao.com PING www.taobao.com (111.63.56.217): 56 data bytes 64 bytes from 111.63.56.217: seq=0 ttl=33 time=189.268 ms 64 bytes from 111.63.56.217: seq=1 ttl=33 time=93.635 ms 64 bytes from 111.63.56.217: seq=2 ttl=33 time=106.068 ms 64 bytes from 111.63.56.217: seq=3 ttl=33 time=82.564 ms 64 bytes from 111.63.56.217: seq=4 ttl=33 time=113.121 ms ^Z [7]+ Stopped(SIGTSTP) ping www.taobao.com root@iot2040:/dev#