Editing and converting files:

pico <filename> this is an editor to work with files
vi <filename> this is an editor to work with files
latex <filename> converts a tex file to a dvi format
xdvi <filename> allows you to view a dvi file
dvips -P<printer name> <filename> prints a dvi file to a network printer
dvips <filename> -o converts a dvi file to a postscript (or "ps") format

Working with LaTeX:

\begin{document} ... \end{document} begins and ends the text of the document you are writing
\title{ } ... \maketitle sets up a title
\\ new line
\newpage new page
\section{ } sets up a new section such as a chapter or an introduction
\begin{equation} ... \end{equation} sets up a new equation and numbers it. The information here uses the symbols for writing mathematical equations.

Here are three sample files. You can select the text in these files and then copy and paste it into a pico or a vi window to work with. (Many thanks to Daisy for these files!)

Sample 1: This is a standard letter that does not contain mathematical notation. doggart.tex.txt

Sample 2: This is a letter containing mathematical notation. nirel.tex.txt

Sample 3 This example contains tags on both the right and left sides of the equation. eqn_left_right_tags.tex.txt


Helpful Websites: 
AML Software Description
EquPlus Science and Math Equations