Linux Solution

$:- wget -q -O- http://deb.playonlinux.com/public.gpg | sudo apt-key add -

$:- sudo wget http://deb.playonlinux.com/playonlinux_precise.list -O /

etc/apt/sources.list.d/playonlinux.list

$:- sudo apt-get update

$: - sudo apt-get install -y playonlinux

Alternative Installation of Safari using Wine

$:- # install wine

$:- sudo apt-get install -y wine

$;- # create download and build directory

$:- mkdir -p ~/build/safari

$:- cd ~/build/safari

$:- # download

wget http://appldnld.apple.com/Safari5/041-5487.20120509.INU8B/SafariSetup.exe

$:- # wine

$:- wine SafariSetup.exe