"The same way tabbed browsing revolutionized the web experience,
GNU Screen can do the same for your experience in the command line.
GNU Screen allows you to manage several interactive shell instances
within the same 'window.' By using different keyboard shortcuts,
you are able to shuffle through the shell instances, access any of
them directly, create new ones, kill old ones, attach and detach
"Instead of opening up several terminal instances on your
desktop or using those ugly GNOME/KDE-based tabs, Screen can do it
better and simpler..."