X
An abbreviation for the X Window
System X-Window-System.
X client
An application process
in the X Window System X-Window-System:
it gains access to windowing services
via the Xlib library. These are
translated by the system into
messages to an X server X-server.
X Consortium
A vendor consortium supporting
development of the X Window System
X-Window-System - . /X-consortium
X pixmap (XPM)
An encoding standard
for X Windows pixel maps. All
Tivoli bitmaps (for example, icons)
are stored in XPM format.
X protocol
A standard used by clients
(applications) and servers in
the X Window System X-Window-System
for exchanging requests for window
manipulations.
X server
A process which controls
a bitmap display device.in an
X Window System X-Window-System.
It performs operations on request
from client applications.
X server
A program that draws
the pictures and displays the
text on-screen if you use the
X window system or a GUI based
on X.
X terminal
A terminal that can act
as an X server so that you can
use the X windows system, Motif,
or OPEN LOOK. It has a little
computer in it to do the X-specific
stuff.
X terminal
An intelligent terminal
which operates as an X server
X-server directly connected to
Ethernet Ethernet.
X Window System (X11)
Developed at MIT /m,
a windowing system for Unix and
similar hosts. Allows for multiple
users, many different levels of
customization, high flexibility,
and reasonable overhead. Defined
in RFC 1198 ftp://ftp.isi.edu/in-notes/rfc1198.txt.
X window system
A GUI designed at MIT.
Two other major GUIs, Motif and
OPEN LOOK, are based on X.
X Window System
A specification for device-independent
windowing windowing operations
on bitmap display devices, developed
by MIT MIT and now a de facto
standard supported by the X consortium
X-consortium
X Windows See
X Window System X-Window-System.
X.25
A standard networking protocol
protocol suite approved by the
CCITT CCITT and ISO ISO. This
protocol suite defines standard
physical, link, and networking
layers (layers 1 through 3). X.25
networks are in use throughout
the world.
X.25
An Open Systems Interconnection
(OSI) /o protocol defining packet
structure and exchange.
X.400
An Open Systems Interconnection
(OSI) /o protocol (RFC 1465) ftp://ftp.isi.edu/in-notes/rfc1465.txt
defining mail exchange.
X.400 The set
of CCITT CCITT communications
standards covering mail services
provided by data networks.
X.500 An Open
Systems Interconnection (OSI)
/o protocol (RFC 2120) ftp://ftp.isi.edu/in-notes/rfc2120.txt
defining directory services. See
also Lightweight Directory Access
Protocol (LDAP) /l.
X.500 The set
of CCITT CCITT standards covering
electronic mail directory services.
X.desktop A
desktop manager desktop-manager
for UNIX UNIX from IXI.
X/Open
An independent, worldwide,
open systems organization headquartered
in the UK and supported by most
of the world's largest information
system suppliers, user organizations
and software companies. Its mission
is to bring to users greater value
from computing, through the practical
implementation of open systems.
X/Open
An international consortium
of vendors whose purpose is to
define the X/Open Common Applications
Environment designed to provide
applications portability - . /Xopen
X11 See the
X Window System (X11) /.
X11R4 Version
11 release 4 of the X protocol
X-protocol; the current standard.
X11R5 Version
11 release 5 of the X protocol
X-protocol; the new standard.
X3J16 The C++
C++ standard technical committee.
Xanadu An electronic
publishing project due to Ted
Nelson, the inventor of the term
hypertext hypertext - . /Xanadu
Xaw The Athena
Athena Widget Widget Set: a set
of widgets distributed with the
X Window System X-Window-System.
X-designer A
user interface builder for Motif
from Imperial Software Technology.
XDF Xrm Decrease
Factor: An ABR service parameter,
XDF controls the decrease in ACR
associated with Xrm. It is a power
of two in range: [0, 1].
XDR eXternal
Data Representation - universal
machine independent form of data
sent by RPC RPC systems. Described
in RFC RFC 1014.
XDR See eXternal
Data Representation (XDR).
XENIX A version
of Unix developed by Microsoft,
of all people, and now maintained
and distributed by SCO (Santa
Cruz Organization).
XENIX UNIX implementations
from SCO
Xerox Network Systems
(XNS)
The network architecture developed
by the Xerox Corporation in the
1970s. The XNS Internet protocol
suite is similar to the TCP/IP
suite. However, different packet
formats and terminology are used.
XNS protocols establish a means
of transport for data across an
interconnection of network or
Internet. A sample library provides
user applications for XNS, such
as the courier, associate printing,
filing, and clearinghouse protocols.
Xerox PARC
The Palo Alto Research
Center of the Xerox Corporation.
Xerox
The Document Company
XIE X Image
Extension: extensions to the X
protocol to handle images.
Xlib
X library: program interface
to the X Window System
XML
Extensible Markup Language.
A data format under study for
structured document interchange
on the World-Wide Web
XML See eXtended
Markup Language (XML)
XML Xperimental
Markup Language based on CML
XML extensible
Markup Language.
xmosaic See
Mosaic
XMP The X/Open
Management Protocols.
XNS See Xerox
Network Systems (XNS)
XNS Xerox Network
Services: a proprietary networking
architecture developed by Xerox.
XOM The X/Open
OSI Abstract Data Manipulation
API.
Xopen See X/Open
XPG X/open Portability
Guide: defines the interfaces
of the X/Open Common Applications
Environment.
XPG3 X/Open
Portability Guide Version 3.
XPG3 Version
3 of XPG
XPG4 X/Open
Portability Guide Version 4.
XPM See X pixmap
(XPM)
XRemote A serial
line protocol for the X Window
System
Xrm
An ABR service parameter,
Xrm limits the number of forward
RM-cells which may be sent in
the absence of received backward
RM-cells. The range is 0-255.
XRN A newsreader
program for Usenet news base on
the X Window System host.
XSI
X/Open System Interface
specification: part of the Common
Applications Environment.
XSLT:
extensible Style sheet Language
Transformation.
Xt
The intrinsics of the
Window System Toolkit.
X-terminal
An intelligent terminal
with a built-in implementation
of an X server , which can therefore
communicate with computers running
X clients
Xterminal See
X-terminal
XTI X/open Transport
Interface.
XUI X User Interface:
program interface to the X Window
System supported by DEC.
Xv++
A library of classes
from Interface Engineering, Stevenage,
providing a C++ Application Programmer's
Interface to the XView toolkit.
XView
A toolkit from Sun, derived
from SunView, providing an Open
Look user interface for applications.
XVT
eXtensible Virtual Toolkit:
a product allowing applications
to be developed independent of
GUI
Xwindow
See X Window System
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