如何殺死一個已經detached的screen會話？

若是想殺死一個已經detached的screen會話，能夠使用如下命令：

screen -X -S [session # you want to kill] quit

root@leco:~# screen -ls
There are screens on:
17708.pts-4.leco(06/15/2017 02:39:09 PM)(Attached)
14814.pts-2.leco(06/15/2017 02:22:52 PM)(Detached)
14795.pts-2.leco(06/15/2017 02:22:44 PM)(Detached)
14442.pts-2.leco(06/15/2017 02:22:31 PM)(Detached)
4 Sockets in /var/run/screen/S-root.

root@leco:~# screen -X -S 17708 quit
root@leco:~# screen -ls
There are screens on:
14814.pts-2.leco(06/15/2017 02:22:52 PM)(Detached)
14795.pts-2.leco(06/15/2017 02:22:44 PM)(Detached)
14442.pts-2.leco(06/15/2017 02:22:31 PM)(Detached)
3 Sockets in /var/run/screen/S-root.