Linux and Unix screen command

Installing in Fedora

yum install screen

Start screen for the first time :

mib@itsecur1ty ~ $ screen

Show screen parameter :

Type “Ctrl-A” and “?” without quotes. Then you will see all commands or parameters on screen.
To get out of the help screen, you can press “space-bar” button or “Enter“.

Re-attach the screen :

mib@itsecur1ty ~ $ screen -r

Use screen -ls to see how many screen are available :

mib@itsecur1ty ~ $ screen -ls

if you want to restore screen :

mib@itsecur1ty ~ $ screen -r "number"

Note : Alternatives to GNU Screen for Linux Terminal :

Tmux and dvtm dtach.