Glossary
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upgrade
Hardware that you add to the basic workstation to increase performance, such as
additional memory (SIMMs) or faster graphics boards.
unmount
To make a file system that is accessible from a specific directory on your workstation
temporarily unaccessible.
user ID
A number that uniquely identifies a user to the system.
window
A portion of the screen that you can manipulate that contains text or graphics.
workstation
The physical hardware that contains the CPU and graphics boards, a system disk, and a
power supply. You connect it to a monitor, keyboard, and mouse to configure a working
system. The workstation is also sometimes referred to as the chassis.
wrist strap
A coiled cable with a loop at one end and an alligator clip at the other. You place the loop
around your wrist and fasten the clip to a metal part of the workstation whenever you
work with internal components of the workstation. This prevents electrical shocks to
yourself and the components. See also static electricity.
