screen (GNU Screen) is a full-screen window manager that multiplexes a physical terminal between several processes, typically interactive shells.
- GNU screen official page: downloads and documentation;
- screen man page;
- introductory article from kuro5hin.org, GNU Screen: an introduction and beginner's tutorial;
Introduction to using the scrollback buffer for copy and paste within
- tmux - Alternative to GNU Screen that includes most of its features
Byobu is an enhancement for the terminal multiplexers GNU Screen or tmux that can be used to provide on screen notification or status as well as tabbed multi window management. It is aimed at providing a better user experience for terminal sessions when connecting to remote servers.