[root@web ~]# (echo '好好学习，天天向上！'; sleep 2) | telnet 192.168.1.39 1500 相关文章： 2022-12-23 2021-09-01 2022-12-23 2021-08-22 2022-12-23 2022-12-23 2022-12-23 2022-12-23