Categories of positions in state service. Positions in the service of the state are divided into the following categories

(1) The classified service as provided in ORS 240.210.

(2) The unclassified service as provided in ORS 240.205.

(3) The exempt service as defined in ORS 240.200.

(4) The management service as provided in ORS 240.212. [1955 c.738 §1; 1981 c.409 §1]