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X-Windows :
The software system written for managing windows under Unix. A
graphics architecture, application programming interface and
prototype implementation developed by the Massachusetts
Institute of Technology. X-Windows defines a client/server
relation between the application program and the workstation.
It is not, however, a complete graphical user interface, but
rather the basis upon which one can be built.
X.25 :
An International Telegraph and Telephone Consultative
Committee interface standard for connection of data terminal
equipment to a public packet-switching network. X.25 defines
the services that the user can expect from a public
packet-switching network, including the establishment of
virtual circuits through the network to exchange packets with
other users.
X.400 :
The International Telegraph and Telephone Consultative
Committee series of recommendations that defines the basis for
providing Message Handing Services, such as store-and-forward
electronic mail.
X.500 :
The International Telegraph and Telephone Consultative
Committee standard for directory services.
X/Open :
An international consortium of computer vendors that aims to
create and promote a vendor-independent interface standard
called the Common Applications Environment (CAE). CAE
addresses the operating system interface., data management and
languages, and will include networking and will include
networking and a graphic user interface. X/Open was founded in
Europe by European vendors, but has expanded to include a
number of US companies (AT&T, Digital Equipment Corp.,
Hewlett-Packard, NCR, Unisys and Sun Microsystems ) and office
in the United States.
XML :
(eXtensible Markup Language) A widely used system for defining
data formats. XML provides a very rich system to define
complex documents and data structures such as invoices,
molecular data, news feeds, glossaries, inventory
descriptions, real estate properties, etc.
As long as a programmer has the XML definition for a
collection of data (often called a "schema") then they can
create a program to reliably process any data formatted
according to those rules.
XMLRPC :
(XML Remote Procedure Call) A protocol for client-server
communication that sends and receives information "on top of"
HTTP. The data sent and received is in a particular
XML format specifically designed for use with XMLRPC.
XPFE :
(Cross Platform Front End) A suite of technologies used to
create applications that will work and look the same on
different computer operating systems. A widely used XPFE
application is the Mozilla web browser and its derivatives,
such as the Netscape web browser in version 7 and later. The
primary technologies used in creating XPFE applications are
JavaScript, Cascading Style Sheets, and XUL.
XPG :
X/Open Portability Guide. A set of standards and practical
advice about how to design open computer systems from X/Open;
a specification for compliance with X/Open's Common
Application Environment.
XUL :
(eXtensible User-interface Language)
A markup language similar to HTML and based on XML.
XUL used to define what the user interface will look like for
a particular piece of software. XUL is used to define what
buttons, scrollbars, text boxes, and other user-interface
items will appear, but it is not used to define how those item
will look (e.g. what color they are).
The most widely used example of XUL use is probably in the
Mozilla web browser, where the entire user interface is
defined using the XUL language. |
