Will automagically figure out what control codes need to be sent to the terminal Ways– adding text, erasing it, changing its appearance–and the curses library The contents of a window can be changed in various The programmer with an abstraction of a display, containing multiple The curses library hides all the details of different terminals, and provides Is for tools like OS installers and kernel configurators that may have to run Is on small-footprint or embedded Unixes that don’t carry an X server. Niches in which being able to do fancy things with them are still valuable. In a world of X displays, one might ask “why bother”? It’s true thatĬharacter-cell display terminals are an obsolete technology, but there are Different terminals use widely differing codes, and often have Perform common operations such as moving the cursor, scrolling the screen, andĮrasing areas. Display terminals support various control codes to VT100s, the Linux console, and the simulated terminal provided by X11 programs Keyboard-handling facility for text-based terminals such terminals include The curses library supplies a terminal-independent screen-painting and
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