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XDPYINFO(1)                            General Commands Manual                           XDPYINFO(1)



NAME
       xdpyinfo - display information utility for X

SYNOPSIS
       xdpyinfo [-display displayname] [-queryExtensions] [-ext extension-name] [-version]

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  communi‐
       cating  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 exten‐
       sions to be loaded, which can be slow and can consume significant server resources.

       Detailed  information  about  a particular extension is displayed with the -ext extensionName
       option.  If extensionName is all, information about all extensions supported by both xdpyinfo
       and the server is displayed.

       If  -version  is  specified,  xdpyinfo prints its version and exits, without contacting the X
       server.

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

SEE ALSO
       X(7), xprop(1), xrdb(1), xwininfo(1), xrandr(1), xdriinfo(1), xvinfo(1), glxinfo(1)

AUTHOR
       Jim Fulton, MIT X Consortium
       Support for the XFree86-VidModeExtension, XFree86-DGA, XFree86-Misc, and XKB extensions added
       by Joe Moss



X Version 11                               xdpyinfo 1.3.2                                XDPYINFO(1)