Virtual terminal

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This article is about a standardized term. For the user interface concept, see virtual console.

In open systems, a virtual terminal (VT) is an application service that:

  1. Allows host terminals on a multi-user network to interact with other hosts regardless of terminal type and characteristics,
  2. Allows remote log-on by local area network managers for the purpose of management,
  3. Allows users to access information from another host processor for transaction processing,
  4. 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[edit]

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.

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