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n-1-1-040.31.2a
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1995-07-21
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N-1-1-040.31.2 Discovery Research
by Alan Emtage* <bajan@cc.mcgill.ca>
Although it has been many years since the term "Information Age"
entered the vocabulary, we are only now beginning to realize what that
it could mean in the day to day lives of people on very large networks
such as the Internet. The archie system, developed at McGill
University in Montreal, is one of a number of ongoing projects,
throughout the world, trying to bring some order out of the current
information chaos.
Simply stated, archie's purpose is to track any kind of information on
the Internet which is freely available and frequently updated. The
prototype system, now in operation in 8 countries on 4 continents,
monitors approximately 900 anonymous FTP UNIX sites on the Internet.
It is expected that in the coming months facilities for accessing
anonymous FTP sites running VMS and other operating systems will be
added. Every day archie retrieves the directory listings from a
subset of these sites and integrates this information into its own
specialized database. All sites are accessed in a monthly cycle.
At the time of writing, publicly available servers are running on
archie.mcgill.ca (Canada), archie.sura.net (USA), archie.fi (Finland),
archie.au (Australia), archie.doc.ic.ac.uk (UK) and cs.huji.ac.il
(Israel). Currently, three methods can be used to search for filenames
in the hundreds of anonymous FTP sites:
(a) When installed on your local system, archie clients
allow the user to remotely access the archie databases.
These clients can be obtained via anonymous FTP from any
of the archie hosts. Command line based clients written
in Perl or C as well as an X11 client are available.
(b) telnet (or rlogin) connections. Connect to one of the
archie hosts and log in as "archie". No password is
required. Full online help is available by typing 'help'.
(c) Send electronic mail to 'archie' at one of the the
archie hosts with the word, 'help' as the subject or in
the body of the message.
Archie also has a Package Description database which contains the
names and short descriptions of about 3,500 pieces of information
(software packages, documents, datasets) available on the Internet.
Users can search through this database to locate useful information by
using the 'whatis' command on the telnet and email interfaces.
The implementors of archie can be reached by sending mail to
archie-group@archie.mcgill.ca
*Unix Consultant, McGill University, Montreal, Canada