In
open systems, a virtual terminal (VT) is an
application service that:
# Allows
host
A host is a person responsible for guests at an event or for providing hospitality during it.
Host may also refer to:
Places
* Host, Pennsylvania, a village in Berks County
* Host Island, in the Wilhelm Archipelago, Antarctica
People
* ...
terminals on a multi-
user
Ancient Egyptian roles
* User (ancient Egyptian official), an ancient Egyptian nomarch (governor) of the Eighth Dynasty
* Useramen, an ancient Egyptian vizier also called "User"
Other uses
* User (computing), a person (or software) using an ...
network to interact with other hosts regardless of
terminal type and characteristics,
# Allows remote log-on by local area network managers for the purpose of management,
# Allows users to access
information
Information is an Abstraction, abstract concept that refers to something which has the power Communication, to inform. At the most fundamental level, it pertains to the Interpretation (philosophy), interpretation (perhaps Interpretation (log ...
from another host
processor for transaction processing,
# Serves as a backup facility.
PuTTY
PuTTY () is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection. It can also connect to a se ...
is an example of a virtual terminal.
ITU-T
The International Telecommunication Union Telecommunication Standardization Sector (ITU-T) is one of the three Sectors (branches) of the International Telecommunication Union (ITU). It is responsible for coordinating Standardization, standards fo ...
defines a virtual terminal protocol based on the
OSI application layer
An application layer is an abstraction layer that specifies the shared communication protocols and interface methods used by hosts in a communications network. An ''application layer'' abstraction is specified in both the Internet Protocol Su ...
protocols. However, the virtual terminal protocol is not widely used on the Internet.
See also
*
Pseudo terminal
In some operating systems, including Unix-like systems, a pseudoterminal, pseudotty, or PTY is a pair of pseudo-device endpoints (files) which establish an asynchronous, Duplex (telecommunications), bidirectional communication (IPC socket, IPC) c ...
for the software interface that provides access to virtual terminals
*
Secure Shell
The Secure Shell Protocol (SSH Protocol) is a cryptographic network protocol for operating network services securely over an unsecured network. Its most notable applications are remote login and command-line execution.
SSH was designed for ...
*
Telnet
Telnet (sometimes stylized TELNET) is a client-server application protocol that provides access to virtual terminals of remote systems on local area networks or the Internet. It is a protocol for bidirectional 8-bit communications. Its main ...
*
Terminal emulator
A terminal emulator, or terminal application, is a computer program that emulates a video terminal within some other display architecture. Though typically synonymous with a shell or text terminal, the term ''terminal'' covers all remote term ...
for an application program that provides access to virtual terminals
*
Virtual console
The Virtual Console was a line of downloadable retro video games for Nintendo's Wii and Wii U home video game consoles and the Nintendo 3DS family of handheld systems. The Virtual Console lineup consisted of titles originally released on pa ...
for an analogous concept that provides several ''local'' consoles
Sources
*{{FS1037C
Computer terminals
ITU-T recommendations