Absolutely. Very widely used.
Actually, this very site runs on Linux...
yes it is still being used today.......depends where your at.
The Roman numeral system is still being used today because it is the numerical aspect of the Latin language which is still being used today.
Yes, trains are still being used today in large quantities.
how is the chartres cathedarl used today
Missions are still being used today.
Yes.
Yes, its still being used for the many satellites out today.
Yes
Yes, but it is mainly used in hunting.
They are still being studied by scholars.
in the dictionary.
They never were, they are still used today.