Rutgers University Computing Services

Introduction to the Internet

Presenters

Jimi Oleksiak -- New Brunswick Jimi Oleksiak -- New Brunswick Computing Services, Information Center.Computing Services, Information Center.

Michael Dobe -- Telecommunications Michael Dobe -- Telecommunications Division, Network Support Center.Division, Network Support Center.

Presentation Overview

What is the Internet?What is the Internet? Why use it in your work?Why use it in your work? How do I connect?How do I connect? How do I use Internet E-mail and other How do I use Internet E-mail and other

tools? tools? How do I use the World Wide Web? How do I use the World Wide Web?

What Is the Internet?

Worldwide Network of NetworksWorldwide Network of Networks Began as a Defense Department Began as a Defense Department

experiment over 25 years ago.experiment over 25 years ago. By October 1999, host computers By October 1999, host computers

estimated to reach 105 million.estimated to reach 105 million.

The Arrival of a Powerful Desktop Computer Allows Individuals to

Connect to the Internet with a Phone Line and a Modem

Departments Connect Computers Together to Communicate With Each

Other Using Network Hubs

LAN - LAN - Local Area NetworkLocal Area Network

Network HubNetwork Hub

Local Area Networks (LANs) Connect With Routers to Form Wide Area Networks (WANs)Wide Area Networks (WANs)

RUCS RUCS LANLAN

Alexander Alexander Library LANLibrary LAN

History History Dept. LANDept. LAN

ROUTERSROUTERS

HUBHUB

HUBHUB

HUBHUB

Ever Tried to Get a Mac to Talk to a PC?You Need A Common Language For Communicating Between Computers

Transmission Control Protocol/Internet ProtocolTransmission Control Protocol/Internet Protocol

TCP/IPTCP/IP

Why Use the Internet? Communication and Collaboration:Communication and Collaboration: E-mail E-mail

Connects People in Near Real Time. E-Mail Lists Connects People in Near Real Time. E-Mail Lists Make it Easy!Make it Easy!

Electronic Resources:Electronic Resources: E-mail Address Searches, E-mail Address Searches, Phone Books, Vendor Product Information, Phone Books, Vendor Product Information, Libraries via On-Line Catalogs, Book Reviews on Libraries via On-Line Catalogs, Book Reviews on the Web, Syllabi, Course Materials on Course the Web, Syllabi, Course Materials on Course Pages, Art Museums, and other Entertainment!Pages, Art Museums, and other Entertainment!

Note: Try Yahoo Note: Try Yahoo http://www.yahoo.comhttp://www.yahoo.com

Examples of Internet UseExamples of Internet Use

What Do You Need to Get Connected to the Internet?

Personal ComputerPersonal Computer Communications Software: RUNFreeCommunications Software: RUNFree

– Windows 95 uses native dialup networking.Windows 95 uses native dialup networking.– RUNFree for Windows 3.1 and the Macintosh. RUNFree for Windows 3.1 and the Macintosh.

ModemModem Phone LinePhone Line Internet ProviderInternet Provider

Modem: What’s Important?

Reliable Maker - Avoid Generic Reliable Maker - Avoid Generic Modems If Possible.Modems If Possible.

BPS: Bits per second, or the speed at BPS: Bits per second, or the speed at which the modem transmits data.which the modem transmits data.

Minimum: 28,800 BPS (a.k.a. 28.8) Minimum: 28,800 BPS (a.k.a. 28.8) Comfortable: 33,600 BPS (a.k.a. 33.6K)Comfortable: 33,600 BPS (a.k.a. 33.6K)

Providing the Connection: PPP (Point to Point Protocol)

The Internet

Your HouseYour Internet Provider

TERMINAL SERVER

ROUTER

Internet Service Provider (ISP)

Rutgers Dialups/Other Local ISP’s. Rutgers Dialups/Other Local ISP’s. $15-$20/month unlimited.$15-$20/month unlimited. Check out “The List!” Check out “The List!”

http://www.thelist.comhttp://www.thelist.com Commercial On-line Services now Commercial On-line Services now

Internet Services as well.Internet Services as well.

Providing the Connection: Ethernet Network

The Internet

Dedicated LineDedicated Line

ROUTER

YOUR OFFICE

HUB

Domain Name Service (DNS) Internet Addresses are IP Numbers. Internet Addresses are IP Numbers. DNS -- Names Associated With DNS -- Names Associated With

Numbers Make This “Human-Numbers Make This “Human-Readable”.Readable”.

Naming Structure is Hierachical.Naming Structure is Hierachical. Need to Point to DNS Server to Need to Point to DNS Server to

Connect to the Internet.Connect to the Internet.

BreakBreak

Internet Software Tools

TelnetTelnet E-mail Software (PINE and NETSCAPE)E-mail Software (PINE and NETSCAPE) Listservs Listservs Network NewsNetwork News FTPFTP World Wide Web BrowsersWorld Wide Web Browsers

Using Telnet

Need telnet client software on Need telnet client software on your PC. your PC.

Telnet client allows you to connect Telnet client allows you to connect to a telnet server on a remote host.to a telnet server on a remote host.

While connected you can run While connected you can run programs on the remote host.programs on the remote host.

Using Pine and Netscape

2 Types of E-Mail - Host and PC.2 Types of E-Mail - Host and PC. Sending, Receiving, and Replying Sending, Receiving, and Replying

to Messages.to Messages. Using Listservs. Using Listservs. Using Newsgroups.Using Newsgroups.

Using FTP

FTP is File Transfer Protocol.FTP is File Transfer Protocol. Command Line Variant.Command Line Variant. Macintosh Fetch Program.Macintosh Fetch Program. PC Windows Versions (WS-PC Windows Versions (WS-

FTP).FTP).

Using Netscape and the Web

Netscape Browser -- Essential Software for Netscape Browser -- Essential Software for Viewing Web Pages.Viewing Web Pages.

Using Uniform Resource Locators (URLS) Using Uniform Resource Locators (URLS) to find sites.to find sites.

Navigating through sites on the web.Navigating through sites on the web. Using bookmarks to save site addresses.Using bookmarks to save site addresses.

For More Information

http://www.nbcs.rutgers.edu

Still Have Questions?

help@rci.rutgers.eduhelp@rci.rutgers.eduhelp@eden.rutgers.eduhelp@eden.rutgers.edu

No E-mail Yet?Info Center 445-2296Hill Center Room 128

8:30-4:30 Monday-Friday