xdpyinfo(X) X Version 11 (11 July 1990) xdpyinfo(X)
NAME
xdpyinfo - displays information about an X server
SYNOPSIS
xdpyinfo [-display displayname]
DESCRIPTION
The xdpyinfo utility displays information about an X server.
It examines the capabilities of a server, the predefined
values for various parameters used in communicating between
clients and the server, and the different types of screens
and visuals that are available.
EXAMPLE
The following shows a sample produced by xdpyinfo when
connected to a display that supports an eight-plane
Pseudocolor screen as well as a one-plane (monochrome)
screen.
name of display: empire:0.0
version number: 11.0
vendor string: MIT X Consortium
vendor release number: 3
maximum request size: 16384 longwords (65536 bytes)
motion buffer size: 0
bitmap unit, bit order, padding: 32, MSBFirst, 32
image byte order: MSBFirst
keycode range: minimum 8, maximum 129
default screen number: 0
number of screens: 2
screen #0:
dimensions: 1152x900 pixels (325x254 millimeters)
resolution: 90x90 dots per inch
root window id: 0x8006d
depth of root window: 1 plane
number of colormaps: minimum 1, maximum 1
default colormap: 0x80065
default number of colormap cells: 2
preallocated pixels: black 1, white 0
options: backing-store YES, save-unders YES
current input event mask: 0x1b8003c
ButtonPressMask ButtonReleaseMask EnterWindowMask
LeaveWindowMask SubstructureNotifyMask SubstructureRedirectMask
FocusChangeMask ColormapChangeMask OwnerGrabButtonMask
number of visuals: 1
default visual id: 0x80064
visual:
visual id: 0x80064
class: StaticGray
depth: 1 plane
size of colormap: 2 entries
red, green, blue masks: 0x0, 0x0, 0x0
significant bits in color specification: 1 bits
screen #1:
dimensions: 1152x900 pixels (325x254 millimeters)
resolution: 90x90 dots per inch
root window id: 0x80070
depth of root window: 8 planes
number of colormaps: minimum 1, maximum 1
default colormap: 0x80067
default number of colormap cells: 256
preallocated pixels: black 1, white 0
options: backing-store YES, save-unders YES
current input event mask: 0x0
number of visuals: 1
default visual id: 0x80066
visual:
visual id: 0x80066
class: PseudoColor
depth: 8 planes
size of colormap: 256 entries
red, green, blue masks: 0x0, 0x0, 0x0
significant bits in color specification: 8 bits
ENVIRONMENT
DISPLAY Gets the default host, display number, and screen.
LIMITATIONS
There is currently no portable way to determine the depths
of pixmap images that the server supports.
Page 1 (printed 7/3/90)
xdpyinfo(X) X Version 11 (11 July 1990) xdpyinfo(X)
SEE ALSO
X(X)
xwininfo(X)
xprop(X)
xrdb(X)
COPYRIGHT
Copyright 1988, Massachusetts Institute of Technology.
See X(X) for a full statement of rights and permissions.
AUTHOR
Jim Fulton, MIT X Consortium.
Page 2 (printed 7/3/90)