ncurses-base 6.0+20171125-1ubuntu1 (amd64 binary) in ubuntu bionic

 The ncurses library routines are a terminal-independent method of
 updating character screens with reasonable optimization.
 .
 This package contains terminfo data files to support the most common types of
 terminal, including ansi, dumb, linux, rxvt, screen, sun, vt100, vt102, vt220,
 vt52, and xterm.