WAYLAND_DISPLAY
The name of the display (socket) of an already running Wayland server, without the path. The directory path is always taken from XDG_RUNTIME_DIR. If WAYLAND_DISPLAY is not set, the socket name is "wayland-0".
wayland-info1
Display information utility for wayland
Usage
wayland-info [option ...]
Overview
wayland-info is a utility for displaying information about the Wayland protocols supported by a Wayland compositor.
It can be used to check which Wayland protocols and versions are advertised by the Wayland compositor.
wayland-info also provides additional information for a subset of Wayland protocols it knows about, namely Linux DMABUF, presentation time, tablet and XDG output protocols.
Options
wayland-info accepts the following line options:
-
-h, --help -
Print a summary of command line options, and quit.
-
-i, --interface interface -
Only print information about the Wayland globals containing the string interface in their name.
Environment
Releases
3 releases since Debian 12 (Bookworm); the text changed 2 times.
--help since Debian 13 (Trixie);
--interface since Debian 13 (Trixie);
-h since Debian 13 (Trixie);
-i since Debian 13 (Trixie).