Users Guide

222 Glossary
protected mode
An operating mode supported by 80286 or higher microprocessors,
protected mode allows operating systems to implement:
• A memory address space of 16 MB (80286 microprocessor) to 4 GB (Intel386 or
higher microprocessor)
• Multitasking
• Virtual memory, a method for increasing addressable memory by using the hard
drive
provider
A provider is an extension of a CIM schema that communicates with managed
objects and accesses data and event notifications from a variety of sources.
Providers forward this information to the CIM Object Manager for integration
and interpretation.
RAC
Acronym for remote access controller.
RAID
Acronym for redundant array of independent drives.
RAM
Acronym for random-access memory. A system's primary temporary storage area
for program instructions and data. Each location in RAM is identified by a number
called a memory address. Any information stored in RAM is lost when you turn
off your system.
RBAC
Abbreviation for role-based access control.
read-only file
A read-only file is one that you are prohibited from editing or deleting. A file can
have read-only status if:
• Its read-only attribute is enabled.
• It resides on a physically write-protected diskette or on a diskette in a
write-protected drive.
• It is located on a network in a directory to which the system administrator has
assigned read-only rights to you.