Operating systems may adopt one of many different scheduling strategies, which generally fall into the following categories:

The system had already adopted a personality as a kindly "sea captain".

In the mid-1980s, this scheme was abandoned, and the current two-tier system adopted.

To this day, both systems of propaganda adopt the terminology, for their different purposes.

In New Mexico lawmakers adopted last year an administrative system where a worker's claim is handled by a state agency.

In addition, he said, statewide systems, such as his own Florida state university system, could adopt new rules.

More modern systems adopt a continuous removal philosophy.

Federal officials said they expect to see the system adopted nationwide eventually.

During its evolution, the metric system has adopted many units of measure.

The centralized system incorporated preexisting lower level divisions, and adopted the native chiefly structure.