Installation guide

386 subnet mask
subnet mask A series of bits used to identify
terminate-and-stay-resident (TSR) program A
program that stays resident in your computer’s
memory even when the program is not in use.
the subnet number portion of an IP address. See
also IP address.
system configuration file See CONFIG.SYS.
text box An area in which information can be
typed in a LAN Manager Screen dialog box. The
text box may or may not contain text when it
appears.
T
TCP/IP (transmission control
protocol/internet protocol)
text file A file containing only letters, numbers,
A protocol that enables workstations and servers
to connect to other computers on the internet.
TCP/IP was originally developed by DARPA, the
U.S. Defense Department’s Advanced Research
Projects Agency. See also protocol.
and symbols. A text file contains no formatting
information, except possibly linefeeds and carriage
returns. A text file is an ASCII file.
text-only An ASCII file that contains no
formatting.
TCP/IP domain Different areas of the Internet.
time server The time server is the server with
Domains are used to subdivide the Internet.
which other computers on the network
synchronize their clocks.
TCP/IP domain name A portion of the
computername required for computers on the
local area network that are using TCP/IP utilities.
The domain name can contain as many fields as
will fit within 240 characters. A TCP/IP domain
name is different from a Windows NT Advanced
Server or LAN Manager domain name.
Transmission Control Protocol/Internet Protocol
(TCP/IP)
See TCP/IP.
transport See protocol.
TSR program See terminate-and-stay-resident
program.
TCP/IP domain name server A computer on
the TCP/IP network that provides the domain
name service for matching domain names to IP
addresses.
U
UMBs See upper memory blocks (UMBs).
TCPCFG program The installation and
upper memory blocks (UMBs)
configuration program that installs TCP/IP with
LAN Manager.
The areas of free memory in the upper 384K
region on a 640K computer, areas that are not
usually accessible by MS-DOS 3.x and 4.x.
terminal A device consisting of a keyboard and
display screen that is used to communicate with a
computer. This device does not perform any
processing or storage activity; instead, it relies on
a remote computer.
user Someone who uses the local area network.
user account The record on a Windows NT
Advanced Server or LAN Manager server that
contains information about authorized users,
including their names, passwords, and permissions,
as determined by the administrator.
terminal emulator A program running on a
computer that causes the computer to function as
a terminal.