Internet 101: The Basics
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The Internet - a Network of Networks
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TCP/IP
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Protocols - The Big 5
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Protocols - The Others
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Mail - Electronic Messages
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Usenet Newsgroups (UUCP)
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Telnet - Remote Login
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FTP - File Transfer Protocol
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World Wide Web
1. The Internet - a Network of Networks
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Internet service providers (ISP's), online services
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Backbone providers
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Servers - information senders
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Clients - information receivers
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Routers
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Phone lines
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Protocols (standards)
2. TCP/IP
Transmission Control Protocol/Internet Protocol
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TCP - verifies correct delivery of data packets
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IP - moves data packets between hosts
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IP address, e.g. 204.179.136.116
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Domain name, e.g. sjpc.org
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Alias
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Peer to peer hosts
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Servers and clients
3. Protocols - The Big 5
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Mail - Electronic messages
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UUCP - Unix-to-Unix Copy Protocol (Usenet newsgroups)
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Telnet - Remote login
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FTP - File Transfer Protocol
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HTTP - HyperText Transport Protocol (WWW)
4. Protocols - The Others
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Gopher - Access information hierarchically
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Veronica - Index to search gopher servers
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Archie - Software archives
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IRC - Internet Relay Chat
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WAIS - Wide Area Information Server - databases
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etc.
5. Mail - Electronic Messages
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Person-to-person(s)
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Addressed to person@host, e.g. alan.baker@sjpc.org
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Message area NET on PC-TIE BBS
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Spam (junk
e-mail)
6. Usenet Newsgroups (UUCP)
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Person-to-everybody
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Archives
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Message areas on PC-TIE BBS
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Trolling
7. Telnet - Remote Login
8. FTP - File Transfer Protocol
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Login via individual userid or anonymous
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Anonymous FTP sites
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Some commands...
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Binary/ASCII
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CD - change directories
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DIR - directory list
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GET - transfer a file
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FTP from PC-TIE BBS's Internet menu
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For example...
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ftp ftp.cdrom.com
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cd /public/OS/os2/internet (case sensitive)
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dir
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get ...
9. World Wide Web
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Based on HyperText
Transport Protocol (HTTP)
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URL's - Uniform Resource Locators (HTTP, FTP, TELNET, MAILTO)
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Commercial web servers (Netscape, Microsoft, IBM/Lotus
Domino)
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Free web servers (Apache, GoServe)
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Graphical browsers (Navigator, IE, Web Explorer, Webnavigator,
AOL)
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Text browsers (Lynx)
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WWW from PC-TIE BBS's Internet menu
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The San Jose IBM PC Club's home
page