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
    [/sourcecode]
    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
    [/sourcecode]
    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
    [/sourcecode]