man-pages/man1/xdpyinfo.1.html
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<H1>XDPYINFO</H1>
Section: User Commands (1)<BR>Updated: xdpyinfo 1.3.2<BR><A HREF="#index">Index</A>
<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
<A NAME="lbAB">&nbsp;</A>
<H2>NAME</H2>
xdpyinfo - display information utility for X
<A NAME="lbAC">&nbsp;</A>
<H2>SYNOPSIS</H2>
<B>xdpyinfo</B>
[-display <I>displayname</I>]
[-queryExtensions]
[-ext <I>extension-name</I>]
[-version]
<A NAME="lbAD">&nbsp;</A>
<H2>DESCRIPTION</H2>
<P>
<I>Xdpyinfo</I>
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.
<P>
By default, numeric information (opcode, base event, base error) about
protocol extensions is not displayed. This information can be obtained
with the <B>-queryExtensions</B> 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.
<P>
Detailed information about a particular extension is displayed with the
<B>-ext</B> <I>extensionName</I> option. If <I>extensionName</I> is
<B>all</B>, information about all extensions supported by both <I>xdpyinfo</I>
and the server is displayed.
<P>
If <B>-version</B> is specified, xdpyinfo prints its version and exits, without
contacting the X server.
<A NAME="lbAE">&nbsp;</A>
<H2>ENVIRONMENT</H2>
<P>
<DL COMPACT>
<DT id="1"><B>DISPLAY</B>
<DD>
To get the default host, display number, and screen.
</DL>
<A NAME="lbAF">&nbsp;</A>
<H2>SEE ALSO</H2>
<I><A HREF="/cgi-bin/man/man2html?7+X">X</A></I>(7),
<I><A HREF="/cgi-bin/man/man2html?1+xprop">xprop</A></I>(1),
<I><A HREF="/cgi-bin/man/man2html?1+xrdb">xrdb</A></I>(1),
<I><A HREF="/cgi-bin/man/man2html?1+xwininfo">xwininfo</A></I>(1),
<I><A HREF="/cgi-bin/man/man2html?1+xrandr">xrandr</A></I>(1),
<I><A HREF="/cgi-bin/man/man2html?1+xdriinfo">xdriinfo</A></I>(1),
<I><A HREF="/cgi-bin/man/man2html?1+xvinfo">xvinfo</A></I>(1),
<I><A HREF="/cgi-bin/man/man2html?1+glxinfo">glxinfo</A></I>(1)
<A NAME="lbAG">&nbsp;</A>
<H2>AUTHOR</H2>
Jim Fulton, MIT X Consortium
<BR>
Support for the XFree86-VidModeExtension, XFree86-DGA, XFree86-Misc,
and XKB extensions added by Joe Moss
<P>
<HR>
<A NAME="index">&nbsp;</A><H2>Index</H2>
<DL>
<DT id="2"><A HREF="#lbAB">NAME</A><DD>
<DT id="3"><A HREF="#lbAC">SYNOPSIS</A><DD>
<DT id="4"><A HREF="#lbAD">DESCRIPTION</A><DD>
<DT id="5"><A HREF="#lbAE">ENVIRONMENT</A><DD>
<DT id="6"><A HREF="#lbAF">SEE ALSO</A><DD>
<DT id="7"><A HREF="#lbAG">AUTHOR</A><DD>
</DL>
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