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Appendix A: Glossary
A-19
Text file. A file that contains ASCII formatted information, with each line of text usually sepa-
rated by a line feed and/or carriage return.
tftp. Trivial File Transfer Protocol, a simple method of transferring information between two
TCP/IP devices.
TGV Multinet. A TCP/IP software package that runs on VMS.
Thin Ethernet. See 10base2.
Transport layer. Layer 4 of the OSI Reference Model; provides end-to-end data integrity.
TCP is an example of this layer.
Transceiver. In Ethernet networks, a small box that plugs into the AUI port of a device to allow
that device to connect to the Ethernet cable. Many Ethernet devices have one or more built-in
transceivers, which eliminate need for the AUI port.
UCX. The old name for DEC's TCP/IP services for VMS.
ULTRIX. The original DEC UNIX. ULTRIX supports both TCP/IP and LAT printing.
UNIX. A general-purpose computer operating system used on many different kinds of com-
puters.
VAP. Value Added Process, a program that runs on a NetWare 2.xx file server and performs a
specific function such as communications.
VAX. Digital Equipment Corporation's family of 32-bit computers that runs either VMS or some
variation of UNIX (ULTRIX, OSF/1, or Digital UNIX).
WAN. Wide Area Network, a network that interconnects computers and other devices over
large distances, most often via telephone company facilities but also via private networks, public
data networks, and satellites.
Warp. IBM's latest version of the OS/2 operating system.
WCO. Workstation Configuration Object/ Workstation Customization Object. A WCO is an
object that allows customization of a workstation device (such as a printer). When a WCO is
used with an AS/400 printer output queue, it allows the user to customize printing functions rang-
ing from font selection to line spacing.