1XDPYINFO(1)                 General Commands Manual                XDPYINFO(1)
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NAME

6       xdpyinfo - display information utility for X
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SYNOPSIS

9       xdpyinfo  [-display  displayname]  [-queryExtensions]  [-ext extension-
10       name] [-version]
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DESCRIPTION

13       Xdpyinfo is a utility for displaying information about an X server.  It
14       is  used to examine the capabilities of a server, the predefined values
15       for various parameters used in communicating between  clients  and  the
16       server,  and the different types of screens and visuals that are avail‐
17       able.
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19       By default, numeric information (opcode, base event, base error)  about
20       protocol extensions is not displayed.  This information can be obtained
21       with the -queryExtensions option.  Use of this option on  servers  that
22       dynamically  load  extensions will likely cause all possible extensions
23       to be loaded, which can be slow and can consume significant server  re‐
24       sources.
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26       Detailed information about a particular extension is displayed with the
27       -ext extensionName option.  If extensionName is all, information  about
28       all extensions supported by both xdpyinfo and the server is displayed.
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30       If  -version is specified, xdpyinfo prints its version and exits, with‐
31       out contacting the X server.
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ENVIRONMENT

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

37       X(7),  xprop(1),  xrdb(1),  xwininfo(1),  xrandr(1),  xdriinfo(1),  xv‐
38       info(1), glxinfo(1)
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AUTHOR

41       Jim Fulton, MIT X Consortium
42       Support  for  the  XFree86-VidModeExtension, XFree86-DGA, XFree86-Misc,
43       and XKB extensions added by Joe Moss
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47X Version 11                    xdpyinfo 1.3.3                     XDPYINFO(1)
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