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Glossary
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daisy-chaining A method of
connecting devices in which the
signal passes from one device to
the next in serial fashion along a
bus.
DDS tape drive A device that
stores data on Digital Data
Storage (DDS) cassettes.
default Most commands give you
a choice of one or more options. If
you don’t specify an option, the
command automatically assigns
one. This automatic option is called
the “default.” See also command
option.
dialog box A special type of HP
CDE screen that contains controls
and settings, and with which the
user can carry on an interactive
“dialog” in the process of setting
whatever parameters the dialog
box requests. To display an
example of a dialog box, click the
Style Manager button on the
Workspace Manager’s front panel,
then click on Color.
DIMM See Dual In-line Memory
Module.
Dual In-line Memory Module A
memory board whose connectors
on each side of the board are
connected to different chips. This
allows for a wider data path as
more modules can be accessed at
the same time.
directory A special type of
“container” object that contains
information about the objects
beneath it in the HP-UX
organizational structure. Basically,
it is a file that stores names and
links to files and other
directories See also file.
disk A thin, round plate with a
magnetic or optical surface coating
on which data is stored by
magnetic or optical means. See
also floppy diskette, hard disk,
CD-ROM disk.
disked workstation A
workstation that has its own hard
disk drive.
diskette See floppy diskette.
double click To press and release
a mouse button twice in rapid
succession. The amount of time
that discriminates between a
double click and two single clicks is
usually user-configurable. Double
clicking usually invokes a
different, but related, function
than single clicking.
drag To move the mouse (and