List of 50 technology terms beginning with “X”, perfect for tech learners, professionals, and enthusiasts exploring computing, networking, software, and hardware. Where available, definitions are supported by reputable sources.
Technology words that start with X with meaning
The following are technology words that start with X:
1. X.21
A telecommunications interface standard for connecting data terminal equipment to networks.
2. X.25
An early packet-switching protocol used primarily for wide-area network communication.
3. X.400
An email and messaging protocol suite based on OSI network standards.
4. X.509
A common standard for public key certificates used in Secure Sockets Layer (SSL) and Transport Layer Security (TLS).
5. XaaS (Anything as a Service)
An umbrella term for cloud-based service models like Software, Platform, and Infrastructure as a Service.
6. XAMPP
A free, cross-platform toolkit that installs Apache, MariaDB/MySQL, PHP, and Perl for web development.
7. XCAP
A protocol used to remotely configure XML documents using HTTP.
8. XDMCP (X Display Manager Control Protocol)
A network protocol enabling remote graphical login to X Window System environments.
9. Xinerama
An extension for the X Window System that lets users span windows across multiple monitors.
10. XInput
An API extension adding enhanced input device support to X Window applications.
11. Xlib
A fundamental C library that provides access to the X Window System functions.
12. Xen
An open-source hypervisor that enables multiple operating systems to run concurrently on one machine.
13. Xilinx
A major manufacturer of programmable logic devices known for its FPGA chips.
14. Xming
An X Window System server for Windows that allows running Unix GUI applications.
15. Xterm
A terminal emulator used within the X Window System to provide command-line interface.
16. X terminal
A lightweight client machine using the X server for graphical display but performing minimal computation.
17. X Window System (X11)
A network-transparent windowing system providing the foundation for Unix graphical environments
18. X Window Manager
Software that controls window appearance, placement, and interactions in the X environment.
19. X Protocol
The network protocol layer used by clients and servers to communicate in the X Window System.
20. X Server
A program that controls display hardware and input devices under the X Window System.
21. X Client
An application that requests graphical services from an X Server to render its UI.
22. X Consortium
A former standards body responsible for the development of the X Window System.
23. X Image Extension (XIE)
An X Window System extension designed for high-performance image rendering.
24. X Keyboard Extension (XKB)
An extension that enhances keyboard input configuration and customization in X.
25. X Rendering Extension (XRender)
An X extension enabling anti-aliased fonts and alpha blending for visuals.
26. X Shape Extension
An extension for creating non-rectangular window shapes in X environments.
27. Composite Extension
An X extension that supports window transparency and compositing effects.
28. Shared Memory Extension
An X Window System feature for efficient image data sharing between processes.
29. GLX
The OpenGL extension enabling 3D graphics rendering within the X Window System.
30. Multi-Pointer X (MPX)
An X extension that allows multiple independent cursors in a graphical session.
31. Xev
A utility tool that displays input and window-related events in an X session.
32. Xmodmap
A utility to modify keyboard key mappings in the X Window environment.
33. xv (X viewer)
A popular image viewer for the X Window System supporting a variety of file formats.
34. xcalc
A graphical calculator application available under the X Window System.
35. xclock
A simple analog or digital clock utility for use in X Window sessions.
36. xmag
An application used to magnify screen areas within X Window environments.
37. xrandr
A command-line tool to dynamically configure display resolution, rotation, and layout in X.
38. xset
A tool to adjust server settings, such as keyboard repeat rate, within X environments.
39. xtermcontrol
A utility for customizing xterm behavior and appearance outside of its initial configuration.
40. X11R6
A specific major release of the X Window System (Release 6) widely used in Unix systems in the 1990s.
41. XCB
A modern C library offering low-level access to the X protocol, often used in place of Xlib.
42. Xvfb (X virtual framebuffer)
A virtual X server that performs graphical operations in memory without display hardware.
43. Xauthority
A system file that manages access control for X Window System sessions.
44. Xcursor
A utility and specification for managing custom cursor themes in X.
45. Xft
An extension supporting anti-aliased font rendering to improve readability in X windows.
46. X Session
A graphical login session managed by an X Display Manager.
47. Xstartup
A script executed during the startup of an X session that configures the user’s environment.
48. Xresources
A user-defined configuration file for customizing resource specifications like fonts and colors in X.
49. Xdefaults
A legacy configuration file for defining default behaviors in X client applications.
50. XDR (Extended Detection and Response)
A cybersecurity approach integrating detection and response across endpoints, networks, and servers .