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Glossary
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into an icon See also icon.
Initial System Loader The
program that actually controls the
loading of the operating system.
input device Any of several
pieces of hardware equipment used
to give information to a system.
Examples include the keyboard
and the mouse See also output
device.
input window The window that
displays a program’s prompt and
any commands typed but not yet
executed.
Instant Ignition. When the user’s
computer is turned on and it
automatically boots up and is
ready for use. Instant Ignition is
the result of the computer’s
operating system being preloaded
at the factory.
install server. This is a
networked computer from which
file sets and operating systems can
be installed.
internet protocol address (IP
address) A string of characters, in
the format nnn.nnn.nnn.nnn, that
uniquely identifies a workstation
in a network. The nnn in the
format specifier above is a one- to
three-digit decimal integer
between 0 and 255, inclusive, in
which leading zeroes are optional.
The internet protocol address is
also referred to as the “IP address.”
invisible filename A filename in
which the first character is a
period (.). Invisible filenames are
not displayed by the listing
commands such as ls and ll
without additional options, such as
-a.
IP address See internet protocol
address.
ISL See Initial System Loader.
K-L
kernel The part of the operating
system that is an executable piece
of code responsible for managing
the computer’s resources. The
kernel controls the rest of the
operating system.
LAN See local area network.
LAN station address See local
area network station address.
link n. A special object that
contains the name of another
object. When you specify a link as a
pathname or part of a pathname,