Using screen on Linux ...Experience Remote Assistance in CLI

Below are the steps to attach two Linux shell sessions with screen.
Its like Remote Assistance in CLI.

1. Open two terminals with same login.

2. Run ps on both terminals.

3. Run screen -S on 1st terminal.

4. Run cd /var/run/screen/S-; ls on 2nd terminal.

5. Look for 1st terminal's bash PID entry.

6. Run screen -x on 2nd terminal.