The intricacies of the operating system represent the final level of abstraction. Certain aspects of the operating system design (most notably, multitasking) have a decisive impact on the software architecture in general. The scenarios in which the multiple parties try to access the shared resource require thoughtful implementation in which b. Single- user , single -task operating system- This type of operating system allows only one user to do a task on the computer and one thing at a time. c. Single-user, multi-task operating system- This type of operating system is used on Desktop computers, laptops, where a single user can operate on several programs at the same time. For Windows 2000 was the first Windows to bring multi user multi task type to OS. And Windows ME was single user multi task like Windows 98 but with more networking support. After Windows XP onwards, operating system was capable of being a server and allows multi user multi task. Now every release of Windows is multi user and multi task. Key Points. The palm operating system is an example of single-user single-task operating systems because it is designed for Cellphones. The Palm Operating system is not considered a real-time operating system. This form of system is a specific form of system software which, manages the software resources, hardware of the computer, and even A server operating system (server OS) runs on a server in a client-server architecture and provides multiple services to client machines within the network. It forms the software backbone to run various programs and applications. A server OS offers advanced capabilities to run, manage, monitor, and control applications, processes, and client The Palm OS for Palm handheld computers is good example of modern single user, single task operating system. Single-user, multi tasking - This is very popular operating system; most people use this operating system on their desktop and laptop today. Microsoft's Windows and Apple's Mac OS are both example of single user, multi tasking .

single user multi task operating system example