Quick Reference Guide

Glossary 427
RPM
Abbreviation for RPM Package Manager.
RSA
Abbreviation for Rivest, Shamir, and Adleman, the inventors of a public key
encryption technology developed by RSA Data Security, Inc.
RTC
Abbreviation for real-time clock. Battery-powered clock circuitry inside the system
that keeps the date and time after you turn off the system.
SAN
Acronym for storage area network.
SAS
Acronym for Secure Authentication Services.
SATA
Abbreviation for Serial Advanced Technology Attachment.
SCA
Abbreviation for single connector attachment.
schema
A collection of class definitions that describes managed objects in a particular
environment. A CIM schema is a collection of class definitions used to represent
managed objects that are common to every management environment, which is
why CIM is called the Common Information Model.
SCSI
Acronym for small computer system interface. An I/O bus interface with faster
data transmission rates than standard ports. You can connect up to seven devices
(15 for some newer SCSI types) to one SCSI interface.
SEL
Acronym for system event log.
The system event log is a time-stamped nonvolatile record of the most recent
platform events that have been logged in the shelf.