This is a really cool feature and can often come in very handy, especially when teaching a client how to work through a stubborn Linux problem
Install Screen
The screen program allows us to share our terminal. Let's install it
yum install screen -y
Create and Share a Session
Now create your new screen session for others to connect to. You can name it whatever you like
screen -dmS MySharedSession
screen -x MySharedSession
Once the session has been created, anyone currently logged into the server can connect to it
screen -x MySharedSession
When you are ready to disconnect from the screen session, just press Ctrl-D