[root@localhost ~]# screen -ls
There are screens on:
9975.pts-0.localhost (Detached)
4588.pts-3.localhost (Detached)
2 Sockets in /var/run/screen/S-root.
[root@localhost ~]# screen -X -S 4588 quit
[root@localhost ~]# screen -ls
There is a screen on:
9975.pts-0.localhost (Detached)
1 Socket in /var/run/screen/S-root.
