To create screen:
screen -S cpu_check
To detach:
Ctrl+A+D
Get list of existen screens:
screen -ls
To back to screen
screen -r 22324.cpu_check
To back to screen if there is only one created:
screen -x
Also to back to screen:
screen -x 22324.cpu_check
To create a screen with name “cpu_check”, execute a command, detach and leave ability to enter it back if needed
screen -dm -S cpu_check bash -c 'top -c; exec bash'