OLE Object Linking and Embedding , introduced by Microsoft in 1991, began as a way to create compound documents by embedding a fragment of a spreadsheet for example, in the middle of a word processing document. Pine an e-mail program that runs on a UNIX host such as the Welchlink system. Plug-in a small program that extends the capabilities of browsers . PPP is the preferred method for providing virtual network services. Real Audio a plug-in , or helper application , created by Progressive Networks to stream audio to your desktop.
Search engine allow users to search an index of Web sites.
Examples include AltaVista , InfoSeek , WebCrawler , and Lycos . SLIP has been replaced by PPP which is more versatile and robust. The server in turn uses SMTP to send the mail to the intended destination on the Internet. Telnet a protocol that creates a virtual terminal, allowing users to connect and log-in to a remote host . The user's screen becomes a window into the remote system.