Basic Mechanisms to Access the Resources

• Electronic communication - exchange of messages via computer
• File Transfer - copying or moving files from one computer to another
• Remote Login - login to another computer on the network

Back

---

Software Tools

• Pegasus Mail, Eudora ...
• ftp, Archie, WAIS, ...
• telnet, WHOIS, ...
• Gopher, Veronica, WWW, Mosaic, Netscape

Electronic communication

characteristics: fast, convenient, cheap

enables :

• communication between people
• participation in discussions
• transferring files ( limitations )

e - mail based resources :

• electronic mailing lists
• electronic mailing list archives
• electronic journals, newsletters




File transfer

FTP (File Transfer Protocol)

Provides: transfer of files between two machines on the network

anonymous ftp:

        login: anonymous



        password: <e-mail address> or guest

Anonymous ftp archives: huge amounts of information and software 

Remote login (telnet)

Enables: terminal access to a remote computer

Characteristics :

• an interactive process
• user's computer acts as a terminal

Resources accessible via telnet:

• interactive bulletin boards
• directory services
• on-line databaseselectronic journals, newsletters


• on-line catalogs ( libraries, ... )