"Screen is an application that's often underestimated. Screen
is, simply put, a screen manager with VT100/ANSI terminal
emulation. Think of it as a full-screen, text-based window manager
for your terminal or console. For what it is, it's an incredibly
feature-rich application. In this article, I will explain what it
does and why it's so useful.
"According to the man page, Screen 'multiplexes a physical
terminal between several processes (typically interactive shells).'
What this means to the rest of us is that you start up Screen and
run something in it (typically with a shell), and do whatever you
normally would in a terminal. This is all fine and dandy but in and
of itself isn't anything new..."