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xdpyinfo(1X)
X11R6


NAME
  xdpyinfo - display information utility for X

SYNOPSIS
  xdpyinfo [-display displayname] [-queryExtensions]

DESCRIPTION
  The xdpyinfo program 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.

  By default, numeric information (opcode, base event, base error) about
  protocol extensions is not displayed.	 This information can be obtained
  with the -queryExtensions option.  Use of this option on servers that
  dynamically load extensions will likely cause all possible extensions to be
  loaded, which can be slow and can consume significant server resources.

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

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

AUTHOR
  Jim Fulton, MIT X Consortium