Greetings
Man greeting Man - Men shake hands when greeting one another and usually throw in a "How do you do." Handshakes are usually on the lighter side and don't linger that much
Woman greeting Woman- At a first meeting, women generally shake hands. Good friends will often share a kiss on the cheek or a light hug.
Man greeting Woman- At a first meeting a regular handshake will do. Women tend to extend their hand first. Some good friends may share a kiss on the cheek or a light hug.