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 XDPYINFO(1)                    X Version 11                     XDPYINFO(1)
                                  Release 4



 NAME
      xdpyinfo - display information utility for X

 SYNOPSIS
      xdpyinfo [-display displayname]

 DESCRIPTION
      Xdpyinfo is a utility for displaying 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
      display that supports an 8 plane screen and a 1 plane screen.

      name of display:    :0.0
      version number:    11.0
      vendor string:    MIT X Consortium
      vendor release number:    4
      maximum request size:  16384 longwords (65536 bytes)
      motion buffer size:  0
      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 129
      number of extensions:    4
          SHAPE
          MIT-SHM
          Multi-Buffering
          MIT-SUNDRY-NONSTANDARD
      default screen number:    0
      number of screens:    2

      screen #0:
        dimensions:    1152x900 pixels (325x254 millimeters)
        resolution:    90x90 dots per inch
        depths (2):    1, 8
        root window id:    0x8006e
        depth of root window:    8 planes
        number of colormaps:    minimum 1, maximum 1
        default colormap:    0x8006b
        default number of colormap cells:    256
        preallocated pixels:    black 1, white 0
        options:    backing-store YES, save-unders YES
        current input event mask:    0xd0801d
          KeyPressMask             ButtonPressMask          ButtonReleaseMask



                                    - 1 -         Formatted:  April 20, 2024






 XDPYINFO(1)                    X Version 11                     XDPYINFO(1)
                                  Release 4



          EnterWindowMask          ExposureMask             SubstructureRedirectMask
          PropertyChangeMask       ColormapChangeMask
        number of visuals:    6
        default visual id:  0x80065
        visual:
          visual id:    0x80065
          class:    PseudoColor
          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:    0x80066
          class:    DirectColor
          depth:    8 planes
          size of colormap:    8 entries
          red, green, blue masks:    0x7, 0x38, 0xc0
          significant bits in color specification:    8 bits
        visual:
          visual id:    0x80067
          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:    0x80068
          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:    0x80069
          class:    StaticColor
          depth:    8 planes
          size of colormap:    256 entries
          red, green, blue masks:    0x7, 0x38, 0xc0
          significant bits in color specification:    8 bits
        visual:
          visual id:    0x8006a
          class:    TrueColor
          depth:    8 planes
          size of colormap:    8 entries
          red, green, blue masks:    0x7, 0x38, 0xc0
          significant bits in color specification:    8 bits
        number of mono multibuffer types:    6
          visual id, max buffers, depth:    0x80065, 0, 8
          visual id, max buffers, depth:    0x80066, 0, 8
          visual id, max buffers, depth:    0x80067, 0, 8
          visual id, max buffers, depth:    0x80068, 0, 8



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 XDPYINFO(1)                    X Version 11                     XDPYINFO(1)
                                  Release 4



          visual id, max buffers, depth:    0x80069, 0, 8
          visual id, max buffers, depth:    0x8006a, 0, 8
        number of stereo multibuffer types:    0

      screen #1:
        dimensions:    1152x900 pixels (325x254 millimeters)
        resolution:    90x90 dots per inch
        depths (1):    1
        root window id:    0x80070
        depth of root window:    1 plane
        number of colormaps:    minimum 1, maximum 1
        default colormap:    0x8006c
        default number of colormap cells:    2
        preallocated pixels:    black 1, white 0
        options:    backing-store YES, save-unders YES
        current input event mask:    0xd0801d
          KeyPressMask             ButtonPressMask          ButtonReleaseMask
          EnterWindowMask          ExposureMask             SubstructureRedirectMask
          PropertyChangeMask       ColormapChangeMask
        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
        number of mono multibuffer types:    1
          visual id, max buffers, depth:    0x80064, 0, 1
        number of stereo multibuffer types:    0


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

 SEE ALSO
      X(1), xwininfo(1), xprop(1), xrdb(1)

 COPYRIGHT
      Copyright 1988, 1989, Massachusetts Institute of Technology.
      See X(1) for a full statement of rights and permissions.

 AUTHOR
      Jim Fulton, MIT X Consortium









                                    - 3 -         Formatted:  April 20, 2024