Install Texlive in Windows and Linux

TeX Live is a free software distribution for the TeX typesetting system that includes major TeX-related programs, macro packages, and fonts. Textlive can be installed in Windows or Linux. (Around 3GB)
Texlive can be downloaded from:
https://www.tug.org/texlive/acquire-netinstall.html

For Windows, run
install-tl-windows.exe

For Redhat Linux
 $  wget http://mirror.ctan.org/systems/texlive/tlnet/install-tl-unx.tar.gz
$  tar xf install-tl-unx.tar.gz
$  cd 'directory where file extracted'
$  sudo ./intall-tl
$  O
$  L
  
        Choose the following:
    (1)   New value for binary directory [/usr/local/bin]: /usr/bin
    (Type /usr/bin.)
    (2)   New value for man directory [/usr/man]:
    (Do not type anything.)
    (3)   New value for info directory [/usr/info]:
    (Do not type anything.)
$  R
$  I