Choose a machine to work on, and log in. Type screen -S sharing -t one> to create a new Screen session named, aptly, sharing, and a new window named one. Create a second window with screen -t two. If you like, check your work with Ctrl-a, then d, screen -list, screen -r sharing, and Ctrl-a, then “. Emit some output in the window named one by typing echo in that window. On the same machine, open a second login window. Within that window, type screen -x -r sharing -p one.
