Once the connection is completed, the client computer becomes a dumb terminal. With this tool we can send and receive documents very quickly. To use the e-mail it is necessary to have an electronic address and a mailbox where messages are stored and classified. There are many applications to access the e-mail. There are several mail systems for UNIX, like mail and pine .
Mail is a program that gives access to every e-mail service.
To open it, we have to type mail and press Return. This application is always available in a UNIX machine. Pine is an application that allows us to read, send and process e-mail. It is very easy to use and is based on a set of menus appearing on the screen. To execute this program, we have to type pine and press Return.