OS function or is interrupted by it. 5 percent and a growth rate 10. 1 percent and a per year decrease in market share of 5. 2 percent, while operating system application pdf operating systems amount to just 0.
Other specialized classes of operating systems, such as embedded and real-time systems, exist for many applications. Multi-tasking may be characterized in preemptive and co-operative types. Cooperative multitasking is achieved by relying on each process to provide time to the other processes in a defined manner. Microsoft Windows used cooperative multi-tasking. Windows NT and Win9x, used preemptive multi-tasking. Single-user operating systems have no facilities to distinguish users, but may allow multiple programs to run in tandem.