screen version：screen-4.1.0-0.25.20120314git3c2946.el7.x86_64 os：centos 7.4
operate： 1. screen -S 2020 ls pwd ctrl+a+d 2. screen -ls 1 Socket in /var/run/screen/S-root. 3. a period of time （for example， 15 min later）， *scren session auto exit* screen -ls No Sockets found in /var/run/screen/S-root How to troubleshoot scren session auto exit? is there log file ? tks
