Types of Operating System
Single User Operating System
Operating System which allows only one user to work on a computer at a time is known as single user operating system. Examples include DOS, Windows.
Single Tasking Operating System
Operating System which can execute a single job at a time is known as Single Tasking Operating System. For Example, MS-DOS is single tasking operating system because you can open and run only one application in DOS, at one time.
Single Tasking Operating System
Operating System which can execute a single job at a time is known as Single Tasking Operating System. For Example, MS-DOS is single tasking operating system because you can open and run only one application in DOS, at one time.
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| Working of Single User Operating System |
Multi User Operating System
Multi user Operating System allows multiple users for
accessing the single machine at a time. All different users can access the same
system with help of several terminals, which are connected in networking form.
These programs are often quite complicated and must be able to properly manage
the necessary tasks required by the different users connected to it. For
example, MacOS, Linux, etc.
Multitasking Operating System
A multitasking Operating System (OS) is one that can work on
more than one task at a time by switching between the tasks very rapidly. It
can save the current state of each user and task so that it does not lose its
place when it comes back to a task to resume its work. This allows the system
to switch smoothly between tasks. In multitasking Operating System, memory,
hard drive and virtual memory are better managed. Processor time is also well
used as the wait time is less.
Multiprocessing Operating System
Multiprocessing Operating System refers to the
use of two or more CPU within a single computer system. These multiple CPUs are
in a close communication sharing the computer bus, memory and other peripheral
devices. Multiprocessing system is based on the symmetric multiprocessing
model, in which each processor runs an identical copy of Operating System and
these copies communicate with each other.
Real-time Operating System
Real-time Operating System work towards providing immediate processing and also responding to user's commands in a very short time. Such an operating system is more commonly used in chemical industry for process control and scientific processing like airplane control and space vehicle control operations.
In Batch Processing Operating System, a number of jobs are put together and executed as a group. Many user's jobs are placed together into a batch. Such systems perform automatics transition from execution of one job to the execution of the next job in the batch.
Batch Processing Operating System
In Batch Processing Operating System, a number of jobs are put together and executed as a group. Many user's jobs are placed together into a batch. Such systems perform automatics transition from execution of one job to the execution of the next job in the batch.
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