Cylinder
The Cylinder icon under the Create/Primitives menu produces
a cylinder in which its size is user defined.
Creating: Click on the Cylinder icon (create/primitives). In any viewport, click and drag to define the cylinders base. When the base has the desired radius, release the mouse button to begin to define the cylinder's height. Click when satisfied to complete the cylinder.
Vertical
Slices:
The number of slices or segments along the vertical axis can be
changed.
Horizontal
Slices:
Sets the number of divisions around the cylinder. The more divisions
the smoother the shape.