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Ncurses is a programming library providing an API, allowing the programmer to write text-based user interfaces, TUIs, in a terminal-independent manner. It also optimizes screen changes, in order to reduce the latency experienced when using remote shells.

Ncurses stands for "new curses", and is a replacement for the discontinued 4.4BSD classic curses.

Ncurses is a part of the GNU project.

Ncurses is one of the few GNU files not distributed under the GNU General Public License or GNU Lesser General Public License; it is distributed under a license like the MIT License, which is sometimes referred to as the X11 license.

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