screen
https://www.ibm.com/developerworks/cn/linux/l-cn-screen/
http://www.cnblogs.com/mchina/archive/2013/01/30/2880680.html
http://unix.stackexchange.com/questions/162133/run-script-in-a-screen
问题：
http://blog.sina.com.cn/s/blog_704836f401010osn.html
Cannot open your terminal '/dev/pts/1' - please check.
解决：
script /dev/null