For that you need to install “screen” by issuing following command:

[root@centos ~]# yum install screen* -y
OR
Install “screen” via rpm package according to your linux version.

Create new screen by issuing following command:
[root@centos ~]# screen -S Terminal_Share_demo

Open duplicate session of same linux server and issue following command for terminal sharing:
[root@centos ~]# screen -x Terminal_Share_demo

This is two-way sharing.

Type Ctrl + a + d to get out of the screen.

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Note: Please don’t hesitate to revert in case of any query OR feedback.

Thanking you.
Have a easy life ahead.