https://opensource.com/article/17/3/introduction-gnu-screen?sc_cid=70160000001290bAAA http://aperiodic.net/screen/quick_reference ====== screen Quick Reference ====== basics | **start** a new screen session with session name | screen -S | | split display vertically | C-a | | | create new window | C-a c | | jump to next display region | C-a tab | | detach | C-a d | more | list running sessions/screens | screen -ls | | attach to session with name | screen -r | | **detach** a running session | screen -d | | change to last-visited active window | C-a C-a (commonly used to flip-flop between two windows) | | split display horizontally | C-a S | | lock screen | C-a x | | remove all regions but the current one | C-a Q |