Introduction

Tom Kelliher, CS29

Feb. 6, 1997

Outline:

1. Course mechanics.

2. Course resources.

3. What this is all about.

4. We're in this together.

5. Communication tools.

6. A behind the scenes look.

7. A first exposure to perl.

Communication Tools

1. The Internet.

2. Telnet.

3. E-mail, discussion lists.

4. Ftp.

5. Chats, IRC, role-playing games.

6. USENET, bulletin boards.

7. Gopher.

8. World Wide Web.

9. The future?

A Behind the Scenes Look

1. Servers --- respond to requests.

2. Clients --- make requests.

3. Routers (out-posts) --- pass requests/responses between clients and servers.

4. TCP/IP protocol.

   A specific set of rules that allow two networked computers to communicate.

5. Naming:
   1. Host names.

   2. Service names.

A First Exposure to Perl

1. Hello world.

2. What does this do? --- Language translation.