Create a new screen with name:
[user@server_name ~]$ screen -S screen_name
Kill screen session:
[user@server_name ~]$ screen -ls
There is a screen on:
2498.pts-39.server_name (Detached)
1 Socket in /var/run/screen/S-user.
[user@server_name ~]$ screen -S 2498.pts-39.server_name -X quit
[user@server_name ~]$ screen -ls
No Sockets found in /var/run/screen/S-user.