+The X Window System (X11) is a foundational [windowing system](/wiki/window_system) that provides the core framework for a [graphical user interface](/wiki/graphical_user_interface) on bitmapped displays. It enables applications to draw windows and interact with input devices, often across a network. X forms the bedrock for many desktop environments on Unix-like operating systems.
+## See also
+- [Display Server](/wiki/display_server)
+- [Desktop Environment](/wiki/desktop_environment)
+- [Wayland](/wiki/wayland)
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