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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. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「virtual terminal」の詳細全文を読む スポンサード リンク
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