经常用linux下的gre
TCP 192.168.1.100:1521 192.168.1.100:49686 ESTABLISHED
TCP 192.168.1.100:1521 192.168.1.100:49701 ESTABLISHED
TCP 192.168.1.100:1521 192.168.1.100:49702 ESTABLISHED
TCP 192.168.1.100:1521 192.168.1.100:49706 ESTABLISHED
TCP 192.168.1.100:1521 192.168.1.100:49707 ESTABLISHED
TCP 192.168.1.100:1521 192.168.1.100:49753 ESTABLISHED
TCP 192.168.1.100:49686 192.168.1.100:1521 ESTABLISHED
TCP 192.168.1.100:49701 192.168.1.100:1521 ESTABLISHED
TCP 192.168.1.100:49702 192.168.1.100:1521 ESTABLISHED
TCP 192.168.1.100:49706 192.168.1.100:1521 ESTABLISHED
TCP 192.168.1.100:49707 192.168.1.100:1521 ESTABLISHED
TC
TCP 192.168.1.100:1521 192.168.1.100:49686 ESTABLISHED
TCP 192.168.1.100:1521 192.168.1.100:49701 ESTABLISHED
TCP 192.168.1.100:1521 192.168.1.100:49702 ESTABLISHED
TCP 192.168.1.100:1521 192.168.1.100:49706 ESTABLISHED
TCP 192.168.1.100:1521 192.168.1.100:49707 ESTABLISHED
TCP 192.168.1.100:1521 192.168.1.100:49753 ESTABLISHED
TCP 192.168.1.100:49686 192.168.1.100:1521 ESTABLISHED
TCP 192.168.1.100:49701 192.168.1.100:1521 ESTABLISHED
TCP 192.168.1.100:49702 192.168.1.100:1521 ESTABLISHED
TCP 192.168.1.100:49706 192.168.1.100:1521 ESTABLISHED
TCP 192.168.1.100:49707 192.168.1.100:1521 ESTABLISHED
TCP 192.168.1.100:49753 192.168.1.100:1521 ESTABLISHED
TCP [::]:1521 [::]:0 LISTENING
两个命令的区别是find需要用引号引起来。