Operating system wiki.

  In this blog we will discuss about operating system and their functions….
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   OPERATING  SYSTEM

Operating system is a system software which creates  an interface between user and software or hardware. OS is the set of collection of software that control the operations of computerr system.

It controls direct flow of data and instruction one part of computer to another.
The job of operating system is to provide an environment  in which user can easily interface with the computer  to executive programs.

             Functions  of operating system

Most operating system perform the following function:-

1) Resource Management.
2) Memory Management.
3) Processor Management.
4)Device Management.
5) File Management.

1) Resource Management:-

Generally os works in two modes single user mode and multiuser mode. In single user mode only one user use all the resource  of computer system. These resources are Memory,processor,I/O and files. In multiuser various user use at a time. MS-DOS considered as use for single user. UNIX  considered as use for multiuser.

2) Memory Management:-

The memory management function  find all available free space in memory and allocate it to the process. Os manage whole memory by dividing  it into several parts. It is the allocation of the main memory.

3) Processor Management:-

The initial process is the process that executes memory instructions at the reset of the processor and then cells the os.its process is creation, activation, running, blocking, resumption and deletion.
Device Management:-
This function of operating system allocates device to process.  A device manages is the software  that manages these.

4) File Management:-

File management is the storage of files on various storage devices and transfer these files to another storage device which also provide facilities to editfile by using text editors or any other file manupulation.file management of OS keeps tracks of all info on files. File manager, creates, poen, reads, seeks record, writes a closes title.

     Types of operating system (OS)

 THERE ARE SIX TYPE OF OPERATING SYSTEM:-

1) Batch operating system
2) Multiprogrammed batched system
3) Time sharing system
4) Distributed system
5) Real time operating system
6) Multiprocessor system

This is end of our short article on operating system. Long article may confused you. I think from now you understand about operating system.
In next blog we will discussed about types of Operating System.  Thank you for reading my article.