LaTex is a document preparation system/program for high-quality typesetting.
Your system distribution or vendor has probably provided a TeX system including LaTeX. Check your usual software source for a TeX package; otherwise install from TeX Live directly
To install on College Red Hat 6 machine, run the following commands as a root:
yum install texlive.x86_64
yum install texlive-latex.x86_64

