- 
    
开启一个screen:
screen <cmd> - 
    
退出当前screen:
Ctrl + a, d - 
    
杀死当前screen:
Ctrl + a, k - 
    
列出所有screen:
screen -ls - 
    
恢复某个screen:
screen -R <screen-name> - 
    
保存进程log:
screen -L -Logfile <log-file-path> <cmd> 
开启一个screen:screen <cmd>
退出当前screen: Ctrl + a, d
杀死当前screen: Ctrl + a, k
列出所有screen: screen -ls
恢复某个screen: screen -R <screen-name>
保存进程log: screen -L -Logfile <log-file-path> <cmd>