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	{\LARGE \bf The Wanderers Guide to the World Wide Web\footnote{
	Copyright \copyright\ 1994 Student Information Processing
	Board of the Massachusetts Institute of Technology}} \\ 
	{\small Revision 0.1 - 19 January 1994}
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\section{What is the WWW?}
The World Wide Web (WWW, or W3) is a wide-area hypermedia information
retrieval initiative aiming to give access to a large universe of
documents from all over the Internet.  The project was originated at
CERN and collaborated upon by a large, informal, and international
design and development team.  The WWW provides a standard, easy way to
obtain information by unifying HTTP, WAIS, Gopher, FTP, telnet, and
other protocols.  WWW servers in many countries allow users to browse
hundreds of thousands of documents on every topic, display maps and
pictures, play sound files\footnote{On Athena, these can only be
played on Sun workstations, and please use headphones so as not to
disturb others in public clusters.}, watch animated movies, and more.
Hypertext documents may contain {\em links} which when selected will
take you to other documents containing more information.  WWW client
programs provide a simple interface to access these documents without
requiring the user to be familiar with the underlying protocols.

\section{WWW Clients}
The most popular program for accessing the Web is \client{Mosaic}.
Simply do:
\begin{quote}
	{\tt athena\% add sipb; Mosaic \&}
\end{quote}
After a minute or two, a window will appear displaying the SIPB {\em
home page}, which is an initial starting point for exploring the Web.

Another (unsupported, but still good) client is \client{lynx}, a
tty-based interface that can be run over dialup, and which is started
by doing:
\begin{quote}
	{\tt athena\% add outland; lynx}
\end{quote}

Other clients are available for \client{emacs}, Windows, and
Macintoshes.  For more information on these, drop by the SIPB office,
W20-557, or call x3-7788.  The rest of this document will explain how
to wander the Web using \client{Mosaic}.

\section{Following links}
Hypermedia consists of documents with {\em links} to other documents,
which may contain text, pictures, sound, and/or more links.  Reading
becomes nonlinear:  you might be reading one document, jump via a link
to another document to read more in-depth information about a certain
topic, and then jump back to your original document to finish.

By default, links in \client{Mosaic} are blue and underlined.
Clicking with your left mouse button on a link will cause the link to
be followed and the selected document to be shown.  Clicking with your
middle mouse button will cause the link to be followed and the
document to be displayed in a new window.  Several windows may be open
at once for viewing multiple documents; the ``Close Window'' button at
the bottom of a window provides a way to exit those windows you no
longer need.  If you visit a document and then return, the link to it
will be shown in a darker blue and with a dashed underline so you can
easily tell which documents you have already viewed.

\client{Mosaic} keeps a list in memory of what documents you have
visited.  Pressing the ``Back'' button will take you back to your
previous document, and pressing the ``Home'' button will take you back
to your original home page---especially useful if you get lost.

\section{The SIPB Home Page}
Easily recognized by the large fuzzball at the top, the SIPB home page
is the default starting point for MIT users.  From here, you can
visit many of the more interesting places on the Web.  Local weather,
status of public clusters, Discuss, the MITSFS library index, and
other information is readily available.  Links exist to newspapers
like the Freshman Fishwrap and The Tech, and to such local MIT groups
as the Laboratory for Nuclear Science and the LCS/AI Reading Room.
Also available are links to the home pages of various MIT students;
you can even learn to make your own personalized home page and have it
added to this list.

\section{More Interesting Places}
If you are just wandering around looking for interesting documents,
the SIPB home page contains a link to a list of really cool things to
check out.

The SIPB home page also links to the NCSA Mosaic home page and to the
Mosaic demo document.  These two documents provide examples further
explaining how to navigate via links, describe the Web in more detail,
and contain links to good starting points for exploring the vast
amount of information available online.

Another way to start your search for information is to select the
option ``Internet Starting Points'' from the ``Navigate'' menu at the
top of the \client{Mosaic} window.  This link will take you to a page
containing links to documents such as other universities' home pages.
Also available are links to the Library of Congress Vatican Exhibit,
White House papers, physics papers from Los Alamos National
Laboratory, Internet RFCs, and an online magazine.

\section{Searching for Specific Information}
With hundreds of sites each providing thousands of documents, finding
information that you are interested in can be challenging.  To help
make things easier, the Internet Starting Points document (see
previous paragraph) also has listings of information organized by
topic and subtopic, by various services, and by sites.  A list of new
places and services on the Web is also in this document.

Some documents have special search options; for example, the MITSFS
library index allows you to perform an author or title search on books
in their collection.  

You can also search the current document for a particular word or
string by selecting ``Find In Current'' under the ``File'' menu.
This will pop up a dialogue box in which to specify what to search
for.

\section{The Hotlist}
What if you find a really interesting document that you would like to
visit often again, but without having to try to navigate far?  You can
add this document to your {\em hotlist}, which is simply a personal
list of neat places.  Selecting ``Hotlist'' from the ``Navigate'' menu
will show your current hotlist and allow you to add the current
document to it.  You can then easily jump to any document in your
hotlist.

\section{More Useful Commands}
The ``File'' menu at the top of the {\em Mosaic} window contains a few
other useful commands.  You can print the current document, save it
permanently in your home directory, or mail it to a friend.  The
``Options'' menu lets you set such things as font type and
size.\footnote{These features and more can also be customized in the
file {\tt $\sim$/.Xresources}.} The ``Help'' menu at the top right
provides assistance on a variety of topics; select ``Manual'' for
in-depth help.

\section{Problems?}
The most common problem you will encounter is a document being
unreachable.  This could be due to a server being down, network
delays, or restrictions on who may view the document.  Pressing
``Back'' will take you to where you came from.  Clicking on the
spinning globe icon will stop \client{Mosaic} from downloading
information; this is useful if you want to give up on trying to get a
large document when the network is being slow.  Finally, if you have
other questions or problems that are not answered in the ``Help''
menu, contact someone at SIPB, W20-557, x3-7788, who will be glad to
assist you.  Have fun, and don't panic!

\end{document}