The cylinder is a parametric polygonobject which gives you a solid cylindrical object which you can modify in a number of different ways. It's basic form appears as below.
Properties
Sections Longitudinal: Specifies the number of sections the longitudinal distance (equator) of the cylinder will be made up of. Defaults to 30.
Sections Height: Specifies the number of sections the vertical axis of the cylinder will be made up of. Defaults to 1.
Sections Ground: Specifies the number of sections the base of the cylinder will be made up of. Defaults to 1.