User Guide

Glossary
GL-5
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local
Local refers to files and devices, such as disk drives, that are attached to, or on
your machine.
local bus
A bus on the motherboard of a personal or desktop computer that is connected
direct to the CPU, and brings the peripheral functions closer to the
microprocessor.
log in
The process of gaining access to a computer’s operating system, often by
entering a user name and password.
LU (Logical Unit)
A physical device or virtual device that is addressed through a target. For
example, a bank of printers, connected to a SCSI controller (the target), are
Logical Units.
LUN (Logical Unit Number)
A 3-bit identifier for a Logical Unit (LU)
Mbps
Megabits (1,048,576 bits) per second.
narrow SCSI
A 50-conductor SCSI bus with 8-bit communications that can have up to 8
SCSI devices attached.
open communications
The ability of all systems to exchange information between single vendor and
multivendor equipment. Also called interoperability.