And curses! > The programmer sets up the desired appearance of each window, then tells the curses package to update the screen. The library determines a minima

And curses! > The programmer sets up the desired appearance of each window, then tells the curses package to update the screen. The library determines a minimal set of changes that are needed to update the display and then executes these using the terminal's specific capabilities and control sequences. https://en.wikipedia.org/wiki/Curses_(programming_library) https://en.wikipedia.org/wiki/Curses_(programming_library)