Definition. Diphtheria is a potentially fatal, contagious disease that usually involves the nose, throat, and air passages, but may also infect the skin. Its most striking feature is the formation of a grayish membrane covering the tonsils and upper part of the throat.
Prevail is a state-of-the-art, multi-user information management system that helps law firms (and similarly-structured enterprises) manage every aspect of their case information, contacts, documents, calendars, tasks, statutes, time, costs, fees and workflow.
In preemptive multitasking, the operating system slices the CPU time and dedicates a slot to each of the programs. Unix-like operating systems, e.g., Solaris, Linux, as well as AmigaOS support preemptive multitasking.