Sharing screen session

screen is a popular text based window manager, which allows
multiplexing several interactive shells in a single terminal. It
is possible to share one's screen session with other users on the
same host, for the purpose of collaborative debugging or the like.

These are the settings for enabling the multiuser mode in screen.

Lets say Alice wants to share the screen session 5810.screename
with Bob.

1. Allow multiuser access in the screen session:

    Ctrl-a :multiuser on

2. Give permissions to the user to access the screen session

    Ctrl-a :acladd user_id

user_id is the login ID of the person, with whom the screen session
is to be shared.

In our example,

    Ctrl-a :acladd bob

3.The other users can now connect to the shared screen session.

    $ screen -x username/session.

In our example, Bob can connect to the session by

    $ screen -x alice/5810.screename

Note that this is applicable on one machine.