Introduction to Operating Systems || Operating System Definition || Goals ||What is Operating System

#operatingsystems #osplaylist #sudhakaratchala
What is an Operating System?
An Operating System (OS) is a software that acts as an interface between computer hardware components and the user. Every computer system must have at least one operating system to run other programs. Applications like Browsers, MS Office, Notepad Games, etc., need some environment to run and perform its tasks.

The OS helps you to communicate with the computer without knowing how to speak the computer’s language. It is not possible for the user to use any computer or mobile device without having an operating system.

[SudhakarAtchala]

Operating System is a program that acts as an interface between the user of a computer and the computer hardware.

An operating system is a system software that manages the computer hardware.

The purpose of an operating system is to provide an environment in which a user can execute the programs in convenient and efficient manner.

Operating system goals:----

Execute user programs and make solving user problems easier
Make the computer system convenient to use
Use the computer hardware in an efficient manners



Depends on the user point of

For PC’s Users want convenience, ease of use and good performance
Don’t care about resource utilization

But shared computer such as mainframes, os is designed to maximize resource utilization of hardware.

Users of dedicate systems such as workstations frequently use shared resources from servers.

Handheld computers are resource(power, speed) poor, os is designed for usability and battery life.



Depends on the system point of


OS is a resource allocator
Manages all resources
Decides between conflicting requests for efficient and fair resource use
OS is a control program
Controls execution of programs to prevent errors and improper use of the computer

[nagari_ishere]

millions worth of content for free hats off sir.

[shyamalalakshmiprasanna]

Thank you for teaching such great things sir i listen to your all subjects&in os subject and i scored A grade that too in jntuh all that credit goes to you only sir. That way you explain the subject is awesome, everyone can understand that.Happy Teachers Day Sir🙏❤

[hqfxjbh]

You are the one and only god for all our college students.Thank you so much sir❤

[sravanivilasagarapu]

Blessed to have your videos sir thank you thanks alot sir 🎉

[ikutkqj]

thank you so much sir by watching your whole playlist I'm able to clear my OS paper

[aniketkumarnishad]

thank you so much sir by watching your whole playlist I'm able to clear my OS paper today ❤ keep going❤

[vasanthsai]

Sir please make videos on software engineering subject

[llovemovies]

Tq sir I am clear my operating system subject

[LokeshPilli]

Sir please upload Videos on digital logic design subject. You're lectures are extraordinary.

[konigepogujoseph]

@SudhakarAtchala sir next Modern software engineering Ane subject cheppandi sir please sir..next month ending ki semister undhi sir please videos cheyandi... And next Machine learning kuda pai videos cheyandi sir pls.. 🙏🙏🙏🙏🙏

[m]

sir please if you start any course start it with basics first like this lecture thanks for your value content and hardwork

[shivanimca]

Sir please do videos on I/O systems in OS
We have a exam on Monday

We just easily understanding ur lectures please do sir

[NavyaChavala]

Sir please explain streams in java please sir

[keertimagadum]

Sir pls make the videos for software engineering subject BCA 5th sem

[lakshmiparvathibheri]

Is all the topics are enough to jntuk i want to prepare for my sem exams i am searching for best video in os i finally get urs ...i just have that dought that all these topics are enough r not...can u plz clarify my dought sir

[sravyakantheti]

Sir, you said that without the operation system the user can't directly work with the computer hardware.Is that true?

[jyothsnadreamz]

Sir is this playlist is covered all the topics for gate exam .plz reply

[starboy_loke]

sir are these classes useful for r20 regulation?