Or dialogs if you need such features, consider a user interface library such as cursesĭoesn’t provide many user-interface concepts such as buttons, checkboxes, Need to be sent to the terminal to produce the right output. The contents of a window can beĬhanged in various ways-adding text, erasing it, changing itsĪppearance-and the curses library will figure out what control codes Programmer with an abstraction of a display containing multiple The curses library provides fairly basic functionality, providing the Installers and kernel configurators that may have to run before any One niche is on small-footprint or embedded True that character-cell display terminals are an obsolete technology,īut there are niches in which being able to do fancy things with themĪre still valuable. In a world of graphical displays, one might ask “why bother”? It’s Different terminals use widely differingĬodes, and often have their own minor quirks. ![]() ![]() To perform common operations such as moving the cursor, scrolling the Display terminals support various control codes Include VT100s, the Linux console, and the simulated terminal providedīy various programs. ![]() Keyboard-handling facility for text-based terminals such terminals The curses library supplies a terminal-independent screen-painting and
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