Using screen command to share session on Linux system

Lets take a look at how to share existing ssh session using command called screen. It is very useful in case where you have to show your users something remotely.
First install screen program – We assume CentOS7

yum install screen

System1

You can create multiple screen sessions or share existing on
Create multiple screen sessions

screen -d -m -S SESSION1
screen -d -m -S SESSION2

In order to just share existing session just run screen command

screen

System2

Install screen command

yum install screen

See running sessions

screen -ls

Connect to session if just screen command used

screen -x 

Connect to specific session

screen -x SESSION1


note: In order to close the session login to this session and then use keys below

ctrl a then k