I know reading is hard for wintards, but the article on the left hand side:
https://www.theregister.co.uk/2012/03/29/munich_linux_savings/
Actually states that the introduction of Linux already saved some 15 million Euros when introduced, along with several millions saved in licencing fees and unnecessary hardward upgrades, because the linux desktops run fine on older hardware.
Paris... because... quite obvious for most.
Biting the hand that feeds IT
