远程连接终端间切换

screen: http://www.9usb.net/201002/linux-screen-mingling.html

            https://www.ibm.com/developerworks/cn/linux/l-cn-screen/

tmux： https://wiki.freebsdchina.org/software/t/tmux

            https://linuxtoy.org/archives/from-screen-to-tmux.html

byobu:  http://imtx.me/archives/1693.html

             http://blog.csdn.net/lqhbupt/article/details/7786153