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% Project begun {4/25/87}
% Trademarks and copyright symbols follow...
\def\PS{PostScript}
\def\LATEX{\LaTeX}
\newsavebox{\Scribe}
\sbox{\Scribe}{Scribe\protect\raisebox{.6ex}{\tiny TM}}
\def\SCRIBE{\usebox{\Scribe}}
\def\SIPB{SIPB}
% \def\LW{LaserWriter}
\def\LPS{Digital LPS40}
\def\LN03R{Digital LN03R}

\begin{document}

\section{Introduction: What is \LaTeX?}

\special{psfile = /charon/mit/amdehon/PS/iap89/oliver.ps}
\LaTeX\ is a text-processing program supported by \SIPB\ as an
alternative to \SCRIBE\ which is supported by Athena.  \LaTeX\ is
a more powerful and a more flexible program than \SCRIBE.
Consequently, there are many advantages to using \LaTeX\ over
\SCRIBE.  For example, \LaTeX\ has a very powerful math typesetting
facility, which makes mathematical documents easy to generate.  It is
also  capable of generating documents in  foreign languages complete with
accents and non-English characters, such
as the German {\ss} character.  At first glance \LaTeX\ is not as
straightforward as \SCRIBE.  However, it is so much easier to write
technical papers with \LaTeX\ that is it well worth the effort to
learn how to use it.

\section{Getting Started}

First of all, to use \LATEX\ you must be logged into a workstation. To
get more information on using a workstation, see the {\em Essential
Workstation} document available from Athena, and the {\em Inessential
Guide to Athena} available in the SIPB office.

Second, you must have the \SIPB\ file system attached.  To do this,
type {\tt attach sipb}.  This command makes \LaTeX, as well as other
\SIPB\ programs, available to you.  If you plan on using \SIPB\
programs often, you might want to add the lines:
\begin {verbatim}
attach sipb
rehash
\end{verbatim}
to the end of your {\it .login.mine}
file, so that the programs will allways be available when you log in.

In addition, you must modify your PATH variable, which tells the
system where to find programs that you use.  To tell Unix to use the
{\it /usr/sipb} programs in addition to the standard programs, add
the following line in your {\it .cshrc.mine} or {\em .cshrc} file:

\begin{verbatim}
set path=(. $HOME/$bindir /usr/sipb/${hosttype}bin $path)
\end{verbatim}

This will put \SIPB\ programs in your path before standard Unix and
Athena commands.  The programs in the \SIPB\ directories which have
the same names as standard Athena programs are designed to be more
useful than the standard Athena versions, and so we recommend putting
the \SIPB\ directory in your path before the Athena path.  If you wish
to use the Athena-supplied programs rather than the \SIPB\
programs, put the \verb+/usr/sipb/${hosttype}bindir+ after the
\verb+$athena_path+ in the lines above.  To tell UNIX to use this new
path you need to type the command \verb+source .cshrc.mine+
immediately after making the changes.  The next time you login, 
it will happen automatically.  For more information about the PATH
variable refer to the {\em Inessential Guide to Athena} available in
the SIPB office.



\end{document}
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