Reference Guide

112 Glossary
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.
ZIF
Acronym for zero insertion force. Some systems use
ZIF sockets and connectors to allow devices such as the
microprocessor chip to be installed or removed with no
stress applied to the device.
ZIP
A 3.5-inch removable disk drive from Iomega. Originally,
it provided 100-MB removable cartridges. The drive is
bundled with software that can catalog the disks and lock
the files for security. A 250-MB version of the Zip drive
also reads and writes the 100-MB Zip cartridges.