[root@zabbix-server ~]# cat test.txt Fri Sep 10 07:33:23 CST 2021 [root@zabbix-server ~]# pwd | tee -a test.txt /root [root@zabbix-server ~]# cat test.txt Fri Sep 10 07:33:23 CST 2021 /root [root@zabbix-server ~]# echo "this ia nginx_install jiaobeng" | tee -a test.txt this ia nginx_install jiaobeng [root@zabbix-server ~]# cat test.txt Fri Sep 10 07:33:23 CST 2021 /root this ia nginx_install jiaobeng [root@zabbix-server ~]#
原文：https://www.cnblogs.com/liutaolt/p/15249751.html