Examples:
set terminal atari 4 # (use small (6x6) font) set terminal atari 6 0 # (set monochrome screen to white on black) set terminal atari 13 0 fff f00 f0 f ff f0f ff0 # (set first eight colors to black, white, green, blue, cyan, \ purple, and yellow and use large font (8x16).)
Additionally, if an environment variable GNUCOLORS exists, its contents are interpreted as an options string, but an explicit terminal option takes precedence.