NAME

xdpyinfo - display information utility for X

SYNOPSIS

xdpyinfo [-display displayname]

DESCRIPTION

xdpyinfo is a utility which displays information about an X server.  It is used to examine 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 the X11/NeWS server running on a 1-plane screen and an 8-plane (color) screen. 

name of display:    :0.1
version number:    11.0
vendor string:    X11/NeWS - Sun Microsystems Inc.
vendor release number:    3010
maximum request size:  65535 longwords (262140 bytes)
motion buffer size:  100
bitmap unit, bit order, padding:    32, MSBFirst, 32
image byte order:    MSBFirst
number of supported pixmap formats:    2
supported pixmap formats:
    depth 1, bits_per_pixel 1, scanline_pad 32
    depth 8, bits_per_pixel 8, scanline_pad 32
keycode range:    minimum 8, maximum 132
number of extensions:    7
    SUN_DGA
    SunWindowGrabber
    XInputDeviceEvents
    Multi-Buffering
    SHAPE
    SUN_ALLPLANES
    MIT-SHM
default screen number:    1
number of screens:    2
screen #0:
  dimensions:    1152x900 pixels (352x275 millimeters)
  resolution:    83x83 dots per inch
  depths (2):    1, 8
  root window id:    0x8007c
  depth of root window:    8 planes
  number of colormaps:    minimum 1, maximum 1
  default colormap:    0x80076
  default number of colormap cells:    256
  preallocated pixels:    black 1, white 0
  options:    backing-store YES, save-unders YES
  current input event mask:    0x150201d
    KeyPressMask             ButtonPressMask          ButtonReleaseMask
    EnterWindowMask          ButtonMotionMask         SubstructureRedirectMask
    PropertyChangeMask       OwnerGrabButtonMask
  number of visuals:    4
  default visual id:  0x80073
  visual:
    visual id:    0x80070
    class:    StaticGray
    depth:    8 planes
    size of colormap:    256 entries
    red, green, blue masks:    0x0, 0x0, 0x0
    significant bits in color specification:    8 bits
  visual:
    visual id:    0x80071
    class:    GrayScale
    depth:    8 planes
    size of colormap:    256 entries
    red, green, blue masks:    0x0, 0x0, 0x0
    significant bits in color specification:    8 bits
  visual:
    visual id:    0x80072
    class:    StaticColor
    depth:    8 planes
    size of colormap:    256 entries
    red, green, blue masks:    0x0, 0x0, 0x0
    significant bits in color specification:    8 bits
  visual:
    visual id:    0x80073
    class:    PseudoColor
    depth:    8 planes
    size of colormap:    256 entries
    red, green, blue masks:    0x0, 0x0, 0x0
    significant bits in color specification:    8 bits
screen #1:
  dimensions:    1600x1280 pixels (489x391 millimeters)
  resolution:    83x83 dots per inch
  depths (1):    1
  root window id:    0x8007d
  depth of root window:    1 plane
  number of colormaps:    minimum 1, maximum 1
  default colormap:    0x80078
  default number of colormap cells:    2
  preallocated pixels:    black 1, white 0
  options:    backing-store YES, save-unders YES
  current input event mask:    0x150201d
    KeyPressMask             ButtonPressMask          ButtonReleaseMask
    EnterWindowMask          ButtonMotionMask         SubstructureRedirectMask
    PropertyChangeMask       OwnerGrabButtonMask
  number of visuals:    1
  default visual id:  0x80077
  visual:
    visual id:    0x80077
    class:    StaticGray
    depth:    1 plane
    size of colormap:    2 entries
    red, green, blue masks:    0x0, 0x0, 0x0
    significant bits in color specification:    1 bits

NOTES

The value provided for vendor release number is the OpenWindows release number multiplied by one thousand. 

ENVIRONMENT

DISPLAY
To get the default host, display number, and screen.

SEE ALSO

xwininfo(1), xprop(1), xrdb(1), xnews(1)

COPYRIGHT

Copyright 1988, 1989, Massachusetts Institute of Technology. 
See X11(7) for a full statement of rights and permissions. 

AUTHOR

Jim Fulton, MIT X Consortium

SunOS 5.1  —  Last change: 11 March 1992