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The X Window System (X11, or simply X; stylized 𝕏) is a windowing system for bitmap displays, common on Unix-like operating systems. X originated as part of Project Athena at Massachusetts Institute of Technology (MIT) in 1984. [ 3 ]
X11-clients use xlib to communicate with the display server. Xlib (also known as libX11) is an X Window System protocol client library written in the C programming language. It contains functions for interacting with an X server. These functions allow programmers to write programs without knowing the details of the X protocol.
The X11 protocol actually uses a single 32-bit unsigned integer - called a pixelvalue - for representing a single color in most graphic operations. When transferring the intensity of primary colors, a 16 bit integer is used for each color component. The following representations of colors exist; not all of them may be supported on a specific ...
On a typical POSIX-system, the directory /etc/X11 includes the configuration files. The basic configuration file is /etc/X11/XF86Config (or XF86Config-4) that includes variables about the screen (monitor), keyboard and graphics card. The program xf86config is often used, although xf86cfg also comes with the XFree86 server and is friendlier.
xterm is the standard terminal emulator for the X Window System.It allows users to run programs which require a command-line interface.. If no particular program is specified, xterm runs the user's shell.
The xman program, written using Xaw X Window System graphics stack. Free and open-source software portal; X Athena Widgets or Xaw is a GUI widget library for the X Window System. ...
X.Org Server is the free and open-source implementation of the X Window System (X11) display server stewarded by the X.Org Foundation. Implementations of the client-side X Window System protocol exist in the form of X11 libraries, which serve as helpful APIs for communicating with the X server. [4] Two such major X libraries exist for X11.
XForms is a GUI toolkit based on Xlib for the X Window System.It features a rich set of objects, such as buttons, scrollbars, and menus etc. In addition, the library is extensible and new objects can easily be created and added to the library.