"Even more useful if you're working remotely: If your connection falls over while you're still in a screen session, you can ssh back to the machine and reattach the screen (with screen -r) and get straight back to where you were, rather than having to start over.
"You can also manually detach the screen, with screen -d (detach screen), or by hitting Ctrl-A then D while in a screen session. This leaves the screen running in the background, and it can be useful for running background jobs. Or you can leave a screen session connected to another machine:"
