As in most countries, hand shaking is considered a standard greeting even if you are meeting with somebody you are already acquainted with. It is not customary to use Christian names unless you have already been addressed in this way.
Smoking is widespread and permitted in most public areas.
It is however prohibited on public transport and in cinemas. For the French, personal appearance is truly a passion. They are an immaculately dressed population who go to great lengths to ensure that they look good at all times, whether it be for work or leisure. For business, a suit is a must and for time-out, smart casual clothing. Tipping is at your discretion.