Telnet: protocol which allows to log into a remote computer, simulating a simple text terminal.

Of course one needs an account on the other computer and has to provide username and password.

Some internet services use telnet with a special restricted guest account.

Online catalogues (OPACs) of libraries, e.g.

If one enters such a URL in a browser, it openes another window with the text terminal. Special telnet programs provide additional functionality like logging of all input and output.

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Peter Junglas 8.3.2000