Latex is a document markup language for the Tex typesetting program. Due to its high quality typesetting capability, {\LaTeX}/TeX system is popularly used in academia and research communities to prepare professional looking documentations and research papers.

To install/upgrade to TeX Live 2014:

Open a terminal with Ctrl+Alt+T

Add the texlive-backports PPA by typing the below (enter your password when prompted):
[sourcecode language="bash" wraplines="false" collapse="false"]
$ sudo add-apt-repository ppa:texlive-backports/ppa
$ sudo apt-get update
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Installation: If you are installing TeX Live for the first time,
type:
[sourcecode language="bash" wraplines="false" collapse="false"]
$ sudo apt-get install texlive
$ sudo apt-get install --no-install-recommends texlive-latex-extra
$ sudo apt-get install --no-install-recommends texlive-fonts-extra
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If you already have TeX Live installed and are upgrading, type: sudo apt-get upgrade Warning: this will also upgrade all other packages on your Ubuntu system for which upgrades are available. If you do not wish to do this,
please use the previous:
[sourcecode language="bash" wraplines="false" collapse="false"]
$ sudo apt-get install texlive-base
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