For example, a user can perform different tasks such as making calculations in Excel sheet, printing a word document and download a file from the internet at the same time. The Single User, Multi-tasking operating system allows a single user to execute multiple programs at a same time.For example, MS-DOS and Palm OS for Palm handheld computers are single user, single tasking OS. The Single User, Single-tasking operating system as a single user to execute one program at a particular time.Single user, multi-tasking operating system.Single user, single-tasking operating system.Single user operating system is of two types: This system provides all the resources such as CPU, I/O devices to a single user at all the time.The computer, that is based on this operating system, has only single processor and executes only a single program at all the time.In single user operating system, only a single user can access the computer at a particular time.Parallel or multiprocessing operating system.Simple batch processing operating system.The various types of opeгating system are For example making payroll or salaries of employees.The Operating systems may be classified into different tурes depending uрon the nature of interaction between the user and his/her program. The recurring tasks are performed well in these systems. These systems require less resources and can do processing in a queue. As one application is concentrated at a time.
These systems are also known are single application OS. Also in mobile phone Symbian OS is single user OS. There are some operating system examples like DOS, windows 3x, Windows 95, 97, 98. So CPU, memory and disk I/O not used properly.Įxamples of single user operating system:
But other tasks need those devices.So only one task run at a time then other tasks have to wait till first task is finished.
If only one task is running and this task don’t require memory or I/O use then these devices remain idle. So these systems response to processes at higher time. This will make system slow and response time is higher. Disadvantages of single user operating system:Īs you know if no multiple tasks run at a time then many tasks are waiting for the CPU.
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