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قراءة كتاب Surfing the Internet: An Introduction Version 2.0.2

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Surfing the Internet: An Introduction
Version 2.0.2

Surfing the Internet: An Introduction Version 2.0.2

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دار النشر: Project Gutenberg
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gateways to other resources. To access the Cleveland Free-Net (where all this is being held) simply telnet to: freenet-in-a.cwru.edu 129.22.8.82 or 129.22.8.75 or 129.22.8.76 or 129.22.8.44 and select "visitor" at the login menu.

MELVYL

Catalog Division of Library Automation University of California Office of the President 300 Lakeside Drive, 8th floor, Oakland, California 94612-3550 415/987-0555 (MELVYL Catalog Helpline) E-mail: [email protected]

The MELVYL catalog is the union catalog of monographs and serials (periodicals) held by the nine University of California campuses and affiliated libraries. It represents nearly 11 million holdings at UC, the California State Library, and the Center for Research Libraries.

The MELVYL catalog also provides access to MEDLINE and Current
Contents as well as a gateway to many other systems. Access to some
databases is restricted under a license agreement to the University of
California faculty, staff, and students. Telnet:
MELVYL.UCOP.EDU (192.35.222.222)

CARL

Colorado Alliance of Research Libraries 777 Grant Suite 306 Denver CO 80203-3580 303/861-5319 E-mail: [email protected]

CARL offers access to the following groups of databases: Academic and public library online catalogs, current article indexes such as UnCover and Magazine Index, databases such as the Academic American Encyclopedia and Internet Resource Guide, and a gateway to other library systems. Access to some items is limited. Telnet: pac.carl.org (192.54.81.128)

MICROMUSE

This is how Barry Kort (aka `Moulton'), Visiting Scientist at Educational
Technology Research, BBN Labs, Cambridge, MA describes MicroMuse at M.I.T.

"MUDs (Multi-User Dimensions) or MUSEs (Multi-User Simulation Environments) are virtual realities which offer a rich environment for synergy, community, collaboration, and exploratory discovery."

"Players connect to the host computer, adopt a character and personality of their choosing, and enter into the synthetic world, consisting of a web of connected rooms and movable props."

"Everything (rooms, movable objects, connecting passageways, and players) has a description (typically a few lines of text) which are displayed when a player looks at it."

"Actions such as picking up or dropping an object, and exiting to an adjacent room also generate a short message appropriate to the action."

"At MIT's AI Lab, MicroMuse features explorations, adventures, and puzzles with redeeming social, cultural, and educational content. The MicroMuse Science Center offers an Exploratorium and Mathematica Exhibit complete with interactive exhibits drawn from experience with Science Museums around the country. The Mission to Mars includes an elaborate tour of the red planet with accurate descriptions rivaling those found in National Geographic."

"Elsewhere on MicroMuse, one can find an outstanding adventure based on the children's classic Narnia; a recreation of the Wizard of Oz adventure built by a gifted 8-year old; a challenging Logic Quest; and a living model of the science fiction genre `The DragonRiders of Pern' by author Anne McCaffrey."

If you would like to explore MicroMuse, you may connect as follows from your local host computer: telnet michael.ai.mit.edu [18.43.0.177] login: guest [no password required] tt [TinyTalk client program] connect guest [Connect to MicroMuse]

BBS.OIT.UNC.EDU

Telnet to BBS.OIT.UNC.EDU or 152.2.22.80. Type launch at the login message. It's a must. Not only can you read Usenet Newsfeeds, but you can use LibTel, a scripted telnet gateway to access both US and international libraries plus such things as Data Research Associates Library of Congress catalog, the Ham Radio Call Book, the National Science Foundation, the Weather Server, Webster's dictionary and thesaurus, and more.

Remote Access to Files (FTP)

FTP or File Transfer Protocol is what to use to retrieve a text file, software, or other item from a remote host. Normal practice is to ftp to the host you want and login as "anonymous". Some sites use the password "guest" while others require that you put in your network address as the password. Some popular ftp sites follow:

SUMEX-AIM

This archive at Stanford (sumex-aim.stanford.edu or 36.44.0.6) houses a plethora of Macintosh applications, utilities, graphics and sound files.

SIMTEL20

(simtel20.army.mil or 192.88.110.20) at the White Sands Missile Range in New Mexico contains a similar archive software for MS-DOS computers.

An FTP visit to the Network Service Center at nnsc.nsf.net (128.89.1.178) is a gold mine of documents and training materials on net use. See further information on this in the "Resources for Learning More" section of this article.

Project Gutenberg

The primary goal of Project Gutenberg is to encourage the creation and distribution of electronic text. They hope to get ten thousand titles to one hundred million users for a trillion etexts in distribution by the end of 2001.

Some of the many texts available now include Alice in Wonderland,
Peter Pan, Moby Dick, Paradise Lost and other texts in the public domain.
Many of these texts are availablevia ftp:

ftp mrcnext.cso.uiuc.edu (128.174.201.12)

cd etext/etext92 [for 1992 releases] [etext93 is available for testing now] cd etext/etext91 [for 1991 releases] [This file should be in it] cd etext/articles [for Project Gutenberg articles and newsletters]. Most are also available from quake.think.com (192.31.181.1); /pub/etext, from simtel20, and from many other sites.

For more info try Gopher as in the following section or contact:
Michael S. Hart, Director
Project Gutenberg
National Clearinghouse for Machine Readable Texts
Illinois Benedictine College
5700 College Road
Lisle, Illinois 60532-0900
INTERNET: [email protected]
CompuServe: >INTERNET:[email protected]
Attmail: internet!ux1.cso.uiuc.edu!dircompg
BITNET: HART@UIUCVMD

Travel Agents:
Archie, Gopher, Veronica, WAIS, Worldwide Web and More

There is so much information on the net, it's impossible to know where everything is, or even how to begin looking. Fortunately, some computerized "agents" are in development to help sort through the massive data libraries on the net.

Archie

Peter Deutsch, of McGill's Computing Centre, describes the archie server concept, which allows users to ask a question once yet search many different hosts for files of interest.

"The archie service is a collection of resource discovery tools that together provide an electronic directory service for locating information in an Internet environment. Originally created to track the contents of anonymous ftp archive sites, the archie service is now being expanded to include a variety of other online directories and resource listings."

"Currently, archie tracks the contents of over 800 anonymous FTP archive sites containing some 1,000,000 files throughout the Internet. Collectively, these files represent well over 50 Gigabytes (50,000,000,000 bytes) of information, with additional information being added daily. Anonymous ftp archive sites offer

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