User's Manual

Glossary 109
system.ini file
A start-up file for the Windows operating system.
When you start Windows, it consults the
system.ini
file to determine a variety of options for the Windows
operating environment. Among other things, the
system.ini file records which video, mouse, and
keyboard drivers are installed for Windows.
Running the Control Panel or Windows Setup program
may change options in the
system.ini file. On other
occasions, you may need to change or add options to
the
system.ini file manually with a text editor, such as
Notepad.
TCP/IP
Abbreviation for Transmission Control
Protocol/Internet Protocol. A system for transferring
information over a computer network containing
dissimilar systems, such as systems running Windows
and UNIX.
text editor
An application program for editing text files consisting
exclusively of ASCII characters. Windows Notepad is
a text editor, for example. Most word processors use
proprietary file formats containing binary characters,
although some can read and write text files.
text mode
A video mode that can be defined as x columns by
y rows of characters.
TFTP
Abbreviation for Trivial File Transfer Protocol, a simple
form of the File Transfer Protocol (FTP). TFTP uses
the User Datagram Protocol (UDP) and provides no
security features. It is often used by servers to boot
diskless workstations, X-terminals, and routers.
UART
Acronym for universal asynchronous receiver-transmitter.
The UART is a system component that handles
asynchronous serial communication by converting
parallel bytes from the processor into serial bits for
transmission (and vice versa).
unicode
A fixed width, 16-bit world wide character encoding,
developed and maintained by the Unicode Consortium.
upper memory area
The 384 KB of RAM located between 640 KB and 1 MB.
If the system has an Intel386 or higher microprocessor,
a utility called a memory manager can create UMBs in
the upper memory area, in which you can load device
drivers and memory-resident programs.
URL
Abbreviation for Uniform Resource Locator (formerly
Universal Resource Locator).
USB
Abbreviation for Universal Serial Bus. A USB connector
provides a single connection point for multiple
USB-compliant devices, such as mice, keyboards, printers,
and computer speakers. USB devices can also be
connected and disconnected while the system is running.
utility
A program used to manage system resources—memory,
disk drives, or printers, for example.
utility partition
A bootable partition on the hard drive that provides
utilities and diagnostics for your hardware and software.
When activated, the partition boots and provides an
executable environment for the partition's utilities.
UUID
Abbreviation for Universal Unique Identification.
variable
A component of a managed object. A temperature
probe, for example, has a variable to describe its
capabilities, its health or status, and certain indexes
that you can use to help you in locating the right
temperature probe.
VESA
Acronym for Video Electronics Standards Association.