xdpyinfoコマンドを使うと、ディスプレイ情報を表示することが出来る。
shige@shigemk2 ~% xdpyinfo
name of display: /tmp/launch-scnM8S/org.macosforge.xquartz:0
version number: 11.0
vendor string: The X.Org Foundation
vendor release number: 11300000
X.Org version: 1.13.0
maximum request size: 16777212 bytes
motion buffer size: 256
bitmap unit, bit order, padding: 32, LSBFirst, 32
image byte order: LSBFirst
number of supported pixmap formats: 7
supported pixmap formats:
depth 1, bits_per_pixel 1, scanline_pad 32
depth 4, bits_per_pixel 8, scanline_pad 32
depth 8, bits_per_pixel 8, scanline_pad 32
depth 15, bits_per_pixel 16, scanline_pad 32
depth 16, bits_per_pixel 16, scanline_pad 32
depth 24, bits_per_pixel 32, scanline_pad 32
depth 32, bits_per_pixel 32, scanline_pad 32
keycode range: minimum 8, maximum 255
(以下省略)出典については…気にするな!