Carbon Copy (software) Carbon Copy was an early remote control and file transfer software for DOS and Windows published by Microcom. It allowed remote access to a computer via dial-up modem connection.
A viral infection (the common cold) is the most common cause of a stuffy and/or runny nose, but allergies, influenza, and sinus infections also may cause these symptoms. Less commonly, anatomical obstructions (e.g. a deviated nasal septum, foreign bodies) may lead to nasal congestion.
1 Rhinitis (inflammation of the nose) may or may not be caused by allergies. 2  Certain conditions alter the production, character, and clearance of nasal secretions. 3  Treatment of chronic rhinitis and post-nasal drip depends on the underlying cause.hronic rhinitis and post-nasal drip facts. 1  The nose functions to warm, clean, and humidify air as well as playing a role in the sensations of smell and taste. 2  Rhinitis (inflammation of the nose) may or may not be caused by allergies.