Virtual terminal
In open systems, a virtual terminal (VT) is an application service that:
- Allows host terminals on a multi-user 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 from another host processor for transaction processing,
- Serves as a backup facility.
PuTTY is an example of a virtual terminal.
ITU-T defines a virtual terminal protocol based on the OSI application layer protocols. However, the virtual terminal protocol is not widely used on the Internet.
Virtual Terminals for payment card processing
This term is also used to refer to web interfaces for processing card not present transactions. Such terminals allow call centre agents to enter a customer's credit card details to take a payment.
Sources
This article incorporates public domain material from the General Services Administration document "Federal Standard 1037C".
See also
- Telnet
- Secure Shell
- Terminal emulator for an application program that provides access to virtual terminals
- Pseudo terminal for the software interface that provides access to virtual terminals
- Virtual console for an analogous concept that provides several local consoles
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