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Test

This command graphically tests or presents terminal and palette capabilities.

Syntax:

test {terminal | palette}

test or test terminal creates a display of line and point styles and other useful things supported by the terminal you are currently using.

test palette plots profiles of R(z),G(z),B(z), where 0<=z<=1. These are the RGB components of the current color palette. It also plots the apparent net intensity as calculated using NTSC coefficients to map RGB onto a grayscale. The profile values are also loaded into a datablock named $PALETTE.

Copyright 1986 - 1993, 1998, 2004 Thomas Williams, Colin Kelley
Distributed under the gnuplot license (rights to distribute modified versions are withheld).