Virtual terminals

Virtual terminal

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.

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.


See also

  • 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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