xdpyinfo - display information utility for X
] [-queryExtensions] [-ext
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
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.
Detailed information about a particular extension is displayed with the
option. If extensionName
, information about all extensions supported by both xdpyinfo
and the server is displayed.
is specified, xdpyinfo prints its version and exits, without
contacting the X server.
- To get the default host, display number, and screen.
Jim Fulton, MIT X Consortium
Support for the XFree86-VidModeExtension, XFree86-DGA, XFree86-Misc, and XKB
extensions added by Joe Moss