x
x regular expression to ignore white spaces in a pattern.
X Window System Windowing system typically found on UNIX-based operating systems. Originated from MIT in 1984. Wikipedia
x-intercept Set y to 0 and solve for x. (x,0)
X.25 ITU-T standard protocol suite for packet switched wide area network (WAN) communication. Published in "The Orange Book" in 1976. Wikipedia
X.509 ITU-T standard for Public Key Infrastructure (PKI). Released July 3, 1988. Wikipedia ITU
X10 Allows for data signal to be sent over alternating current. Primarily used in home automation. Originally developed in 1975. Wikipedia
X11 Version of the X Window System. X11 since September 1987. Wikipedia
x86 Classifies kind of the processors used in many personal computers and servers. Based on the Intel 8086 with a 16-bit architecture in 1978. Wikipedia
x86-64 (AMD64) 64-bit version of the x86 instruction set. Wikipedia
Xbox First released November 15, 2001. Wikipedia
Xbox 360 First released November 22, 2005. Wikipedia
Xbox One First released November 22, 2013. Website Wikipedia
Xbox One S Available August 2, 2016. Website
Xcode IDE from Apple. First released fall 2003. Website Wikipedia
xcopy Command Prompt command that copies files and directory trees.
Xen Hypervisor for Linux, BSD, and OpenSolaris. First released in 2003. Wikipedia Website Xen Wiki
Xerox Alto First computer designed with a GUI. Released March 1, 1973. Wikipedia
X-Lite Free VoIP softphone Website
Xbox One X (Project Scorpio) Released November 7, 2017. Website Wikipedia
Xeon Microprocessor made by Intel. First produced June 1998. Wikipedia
Xerox Founded 1906. Website Wikipedia
Xerox Palo Alto Research Center (PARC) Wikipedia
XHTML See Extensible HyperText Markup Language
Xiaomi Inc. Chinese electronics company. Founded April 6, 2010. Website Wikipedia
Xiaomi Mi Mix Smartphone from Xiaomi. Released November 4, 2016. Website Wikipedia CNET
Xmas scan -sXNmap scan option that sets the FIN, PSH, and URG flags, lighting the packet up like a Christmas tree. Nmap
XML See Extensible Markup Language
XML database Wikipedia
XML injection Occurs when malicious XML code is inserted into an XML statement. Wikipedia
xmonad Dynamically tiling X11 window manager.
xRTML Realtime Messaging is a cloud based message broker to build cross-platform collaborative tools. Website