Operating system services

☆ An operating system provide services to the user and also to the program.
Some common services provided by the operating system.
1.Program execution.
2.I/O opration (periferal is known as I/O).
3.File system manipulation.
4.Communication.
5.Error detection.
6.Resource location.
7.Protection.

1.Program execution:- The purpose of computer system is to allow the uses to execute program in an efficient way. The o.s provide an environment to the user to run these programs efficiently.

2. I/O operation:- I/O means input or output. The o.s makes the user convenient to run program by providing I/O functions.

3.File system manipulation:- A file is a collection of information. A file system is organised into directries for easy to use.

4.Communication:- Multiple processes communicates with each other through communication lines in the network and operating system handles these correction connection.

5.Error detection:- To avoid hardware problems the o.s. monitor the file for detecting the errors is called error detecting.After detecting errors. It is known as error connection.

6.Resourse location:- When multiple job are running at a time. Then it is the responsibility of o.s to locate the required resources like cpu, main memory, tape drive, & secondary memory etc.

7.Protection:- Protection is a mechanism to control the access of programs the o.s is used to control of all the resources.  

                                    Information Technology

                 Information means wealth

An data technology system (IT system) is usually associate system, a communications system or, additional specifically speaking, a computing system – as well as all hardware, software system and peripheral devices.

Information technology is employed for storing, protecting, processing, securing, sending, receiving, and retrieving data. In business institutions, it's used preponderantly to unravel mathematical and logical issues. data technology helps in project management systems moreover. Firstly, coming up with is completed, then the information is collected, sorted and processed, and eventually, results ar generated. It helps managers, and staff to inquire a couple of explicit drawback, conceive its quality, and generate new merchandise and services; thereby, rising their productivity and output.
Information Technology or IT principally deals with laptop applications. The common work atmosphere nowadays is completely addicted to computers.
Technology has each tangible and intangible advantages which will assist you create cash and turn out the results your customers demand. Technological infrastructure affects the culture, potency and relationships of a business. It conjointly affects the safety of counseling and trade blessings.
Nowadays several corporations have IT departments for managing the computers, networks, and alternative technical components of their businesses, like storing data, protective data, process the knowledge, sending the knowledge as necessary, and later retrieving data as necessary.
There ar several IT corporations within the world.