Compatibility Guide

Glossary 109
VRAM
Acronym for video random-access memory. Some
video adapters use VRAM chips (or a combination of
VRAM and DRAM) to improve video performance.
VRAM is dual-ported, allowing the video adapter to
update the screen and receive new image data at the
same time.
VRM
Abbreviation fro voltage regulator module.
W
Abbreviation for watt(s).
Wakeup on LAN
The ability for the power in a client station to be turned
on by the network. Remote wake-up enables software
upgrading and other management tasks to be
performed on users' systems after the work day is over.
It also enables remote users to gain access to machines
that have been turned off.
Web server
An application that makes Web pages available for
viewing by Web browsers using the HTTP protocol.
WH
Abbreviation for watt-hour(s).
win.ini file
A start-up file for the Windows operating system.
When you start Windows, it consults the
win.ini file
to determine a variety of options for the Windows
operating environment. Among other things, the
win.ini file records what printer(s) and fonts are
installed for Windows. The
win.ini file also usually
includes sections that contain optional settings for
Windows application programs that are installed on
the hard drive. Running the Control Panel or Windows
Setup program may change options in the
win.ini file.
On other occasions, you may need to change or add
options to the
win.ini file manually with a text editor
such as Notepad.
Windows 95
An integrated and complete Microsoft Windows
operating system that does not require MS-DOS and
that provides advanced operating system performance,
improved ease of use, enhanced workgroup functionality,
and simplified file management and browsing.
Windows NT
High-performance server and workstation operating
system software developed by Microsoft that is intended
for technical, engineering, and financial applications.
write-protected
Read-only files are said to be write-protected. You can
write-protect a 3.5-inch diskette by sliding its
write-protect tab to the open position or by setting the
write-protect feature in the System Setup program.
WMI
Acronym for Windows Management Instrumentation.
WMI provides CIM Object Manager services.
X.509 Certificate
An X.509 certificate binds a public encryption key to
the identity or other attribute of its principal. Principals
can be people, application code (such as a signed
applet) or any other uniquely identified entity (such as
a secure port server or Web server).
XMM
Abbreviation for extended memory manager, a utility
that allows application programs and operating systems
to use extended memory in accordance with the XMS.
XMS
Abbreviation for eXtended Memory Specification.
X Window System
The graphical user interface used in the Red Hat
Enterprise Linux environment.