I live in New York. If I had to dial my ISP directly, I would quickly go broke. At the Unix prompt, I type telnet and hit enter. Once I type the address and connect to the system, I'm asked for my login name and password. When I want to close my session, I type exit .
Some systems also accept logoff and quit .
Gopher is a distributed document delivery system, which presents information in a hierarchical fashion. Let's say that you want to get to another site using Gopher. At the Unix prompt type gopher and the name of the site you wish to visit. You can, for example, type gopher marvel.loc.gov , which is the Library of Congress gopher server. You can get to any of these menu items by either typing in the corresponding number or using the arrow key to move the cursor.