Back Up to the Topics C. Tools for Exploiting the Internet 1. The basic concepts behind e-mail parallel those of regular mail. You send mail to people at their particular addresses . In turn, they write to you at your e-mailbox address. There is even electronic junk mail.
Electronic mail acts as a personal connection to the world of the Internet.
There are now more than 4,500 of these newsgroups. Newsgroup names start with one of a series of broad topic names. One step beyond electronic mail is the ability to control a remote computer using Telnet. Further, some hosts have gateways to other hosts, which have further gateways to still more hosts. Archie is a collection of resource discovery tools that together provide an electronic directory service for locating information in an Internet environment.