L-1.1: Introduction to Operating System and its Functions with English Subtitles

[@sudiptaproggaislam7321]

Your OS and CN playlists were a lifesaver during my 6th semester! Achieved a GPA of 3.99 out of 4.00, thanks to your excellent teaching. You're a blessing, and I'm truly grateful.

[@sarjitkaur2205]

Where are you from? I am from India and our gpa is on scale of 10

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from Bangladesh@@sarjitkaur2205

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oh Really

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Legends are watching it one day before the exam.

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Yeah have test tomorrow 😂

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Me

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practical tomorrow

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22 ko mera exam h B.Com hons. Last year ka 😂😂

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Yah befor my anual exam😜

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Blessed to have teacher like you....huge respect sir....

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invertian

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Which year?

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Every damn peon in my college

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❤

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Bhai python notes hai kya

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I've just noticed your caption in English is also accurate. It's very useful in making notes. I am very grateful to have found your channel it has helped me a lot in my MCS studies.

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Gate smashers is one of the favourite channel of almost all computer science students because quality content is presented to students in simple and easiest way & much much better than college and university professors in less time. This channel has grown faster because almost every student gives his/her blessings to Varun Sir. Shine more & keep growing because you have always been a saviour for us.

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Who is watching in 2024📶

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Mee❤

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Me !

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Congratulations Varun sir, I just watched that this video got 1M+ views, really thankful to you for helping me since 2nd year till 4th year of my college.

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This channel deserves much more subscribers than the current amount 😊

[@abdullahshaikh828]

SubCount = SubCount+1 Programmers be like: 😇 Mathematicians be like: 💀

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​@@abdullahshaikh828🤣🤣🤣🤣 Put that condition in an infinite while loop as well

[@arghasen8236]

Completed DBMS totally from your videos Sir! And it was a great journey now I am capable of solving even advance MCQ questions on DBMS. Now I have started Operating System 🙇💖Thank you very much Sir for providing quality education

[@Priyanshu_Chakraborty]

Great bhai.... Btw tmne notes banaye the or bs sari videos dekh dali thi?

[@RonakSinghviBCSE]

I really feel blessed that I found your channel.. It helped me in all the subjects .. You are great sir.. The way you explain things is superb and you are so energetic that we feel motivated to study more and more..

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Which college you from ?

[@Cartidise]

Summary notes: Introduction to operating system and its functionalities. Operating system acts as an interface between user and hardware. Without it, accessing hardware would be complex. [00:00] Introduction to Operating System and its functionalities - Operating system is a system software that works as an interface between user and hardware. - Without an operating system, the user would have to write a program for each hardware device to access it. [02:28] Operating systems provide convenience to users - Writing individual programs for each device or task is complex - Operating systems act as an interface between users and hardware [04:53] Operating systems need high convenience and throughput - Windows acquired 95% market share due to convenience - Linux gaining popularity due to high throughput [07:18] Operating systems manage resources and processes - Resource management involves allocating hardware to users and managing system load - Process management involves managing the processes running on the system [09:53] Operating system manages CPU scheduling, storage, and memory - CPU scheduling algorithms are used to execute multiple processes efficiently - Storage management involves managing data storage in secondary devices like hard disk - Memory management deals with managing RAM [12:23] Operating systems manage RAM and swapping to execute processes efficiently. - RAM is limited and processes are executed first in RAM. - Swapping is the process of taking out a completed process from RAM and bringing in the next one. [14:27] Operating system provides security and privacy - Uses Kerberos security protocol to keep passwords secure - Provides security between processes to prevent interference or data change [16:54] Operating system works through system calls - System calls like read, open, write are used to access hardware - Applications like print command invoke system calls to interact with hardware

[@saikiranp.r6966]

I really pray to God that every student should get a great teacher like you. Thank you sir.

[@Ritz_youtube]

immense gratitude for you and your team Varun Sir. You taught and explained me the whole syllabus in 2 days easily where my College was unable to teach even one topic efficiently. You are one of the most important part of my career Varun sir. Love from bottom of my heart❤

[@pratibhagupta3451]

Amazing class ☺ I m electronic student but i dont know about basic knowledge of O. S but this class amazing and sir is very talented and well explain. Thank you sirji 😁😄😀

[@mr.liakatali4316]

Varun sir, Thanks for your help. This really helped me in my boards. Specially your oral definitions. I exactly wrote them in exam and I am able to secure 94% in computer.

[@khizarsipra3942]

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Ek genuine baat btata hu dosto ish subject ko halke me mt lena syllabus bht bada h iska ishbar wahi hua hmlog k thoery soch k chill the aaya thoery hi par jada chill hone k wjahe se parhe nhi the isilye btane agya taki aage kisi ko dikat na ho🙂

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I've saved this playlist for days now and studied nothing, I'll try to study from today and be consistent!

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It helped me to learn this entire topic just a night before exams

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Me too haha

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schime .....🙄

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Me also

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You are like a audio and video book for us 🙂

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Excellent teaching methodology... mashaAllah.

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I for this semester, referred your videos (3rd yr) and god , literally sir, you made it easy. While being worried about knowing nothing and watching your videos for few hrs the night before exam and reviewing it again mrng and say what? I learned the while syllabus without even knowing that I actually did it. Thank you so much sir. Wish I had people like you to teach us at college, ( due to COVID there isn't one good faculty to teach, the leftover staff just learnt at the moment just to teach some, no hate for them but still , teaching like you would have made our lives more better) Thank you!

[@adyashasatpathy4436]

Is there notes available in pdf format or we have to make it ourselves by watching the video ?

[@mahisinha1655]

Do u have notes Then please send me Please help

[@Roshan-uc7qw]

@@mahisinha1655 mujhe bhi chahiye notes hogi to send karna

[@adyashasatpathy4436]

Hello ?

[@MuhammadAfzal-pl2sp]

New semester start and am here with new course 😋

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Same dude

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Same bro 😊

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Iam also

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OMG...after watching complete video...I have just one word.. outstanding 🙌.. superb explanation....great!!

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One of the best teacher..... God bless you sir ....may you live long..and spread your knowledge always in easier way.. Love From Shimla...

[@haseebmalik7741]

Teaching style is very good and easily understandable. Thanks Bro, Love from Pakistan.

[@mansigoyal4796]

I completed whole playlist today for my campus placements. It took me 1 week to complete it. Thankyou so much sir for helping us with your lovely content ✌😊

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how much time did you spent in one day for completing this?

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@@varisha6758 3 to 4 hours each day

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for which campus

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can you tell me is it sufficient for placement preparation in os...i am in 4th semister..i think you are my senior ,if it is possible can you give me some tips like on which subject i have to focus more rather than other subject...i waste many time due to online classes , exam but due to offline classes getting started i want to do the productive work and want to know important subject for placement as other subject i only do for passing out my semester😂😂😂😂..

[@Jay_Prakash_Pathak]

Very useful video best explanation Very useful for student's examination Thanks sir Keep posting best videos

[@jackroace2393]

Watching this just a few hours before my viva. Indian teachers are the best when it comes to computers and mathematics.

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This channel is my favourite , if i get any job in 4th year then all credit goes to this channel

[@manasgupta6647]

thank god he decided to teach on YT.....perfect explanation

[@navalkishor7120]

Thanks Sir for teaching concepts in so much short time 👍👍

[@ravindrachoudhary7421]

Thank u sir because of you i cleared computer networks in 4th sem in just 2 gap day I was really hopeless but your videos helped me out🙏🏻 Now again looking forward to operating system🙌🏻

[@Hidden..03]

Still the best lecture of OS in 2022....Loved it bro.

[@aafiprogrammer3607]

Apka kiya course hai

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Kabhi kabhi mere dil me ye khayal atta hai ki agar Sir you tube pe padhate nahi to mai semester pass kese hota?🤔

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Exam from 10:30am Watching your videos from 7am

[@invadedauthor]

ye bhai wala kaam

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best way to teach kash aap jaise techer college me hote but thanku sir for teaching us most respect to u hindi and english u both language use thats also awsome and explaination excellent

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Thank You so much for your love and support. Bless you

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thanku u much sir

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Completed DBMS yesterday I learnt a lot and I am confident in it for my interviews started OS today .

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Really lucky to crossed this channel on KZbin. Not preparing for gate still your content helped me alot in os subject. Thank-you sir.

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I have exams on the 28th, this is very helpful. Thank you friend

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Vikram university se ho kya

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Assalam o Alaikum Wa Rahmatullahi Wa Barakatuhu... Bestest explanation by the most Talented teacher . Jazak Allah khaira sir

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hyyyy etni achi information ma tu sun sun k darmiyan ma thak gae thi phir thora rest kiya phir dubara video complete ki............very informative video sir

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dev pathak

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Very easy way of teching, Amazing lecture. Thank you sir

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Bhai ye mai hun aur ye aapka video hai and kal mera exam hai and is video ne meri bohot help ki hai😅

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Thankyou for joining youtube as teaching profession because of you sir many misunderstanding goes away.The students who have the teacher like you can have amazing undersatnding. God bless you sir❤ God give you more knowledge about your profession

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Sir , ap bohoth awesome teach karte hai, ap ke jaaise padhane vale teacher nahi mela hum ku, Thank u so much for such a clear Crystal explanation

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Your way of teaching is just Awesome , Respect and Love from Pakistan

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You are all-in-one sir! Can't thank you enough

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Thanks sir sir ap ka lec mujy boht asha lga jo mujy apni teacher sy nhi smj i thi 😂 wo yhn sy i boht ashy sy

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Very good explanation sir... Actually i don't know Hindi but i understand your explanation... Great teacher you are...

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Sir I don't know hindi please talk english

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SIr , i m a student who is looking to learn more computer basics i was able to understand even if i dont have much knowledge abt computer thanks a lot

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Bhut achhi explains sir ji🙏🙏🙏

[@aloksharma7045]

00:00 Introduction to Operating System and its functionalities 02:28 Operating systems provide convenience to users 04:53 Operating systems need high convenience and throughput 07:18 Operating systems manage resources and processes 09:53 Operating system manages CPU scheduling, storage, and memory 12:23 Operating systems manage RAM and swapping to execute processes efficiently. 14:27 Operating system provides security and privacy 16:54 Operating system works through system calls

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described in very simple and common way.....you are doing very good work...salute

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Literally just amazing video👏

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Thanks for sharing ur knowledge with us 🥰🤗 and nice explanation 🥰🤗

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نیت شوق بھر نہ جائے کہیں تو بھی دل سے اتر نہ جائے کہیں آج دیکھا ہے تجھ کو دیر کے بعد آج کا دن گزر نہ جائے کہیں نہ ملا کر اداس لوگوں سے حسن تیرا بکھر نہ جائے کہیں آرزو ہے کہ تو یہاں آئے اور پھر عمر بھر نہ جائے کہیں

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thank you so much, sir. I wish I had come across your videos earlier at the beginning of my course. Thank you again, sir.

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Hii

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Sir your teaching skills are amazing.

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excellent excellent excellent excellent excellent excellent excellent excellent excellent teacher you are ......

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Thank You so much for your love and support. Bless you

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So clearly and easily you explain these concepts Thank you 😊

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If you have less time to watch whole 90 videos, maine OS ke notes banae hai joki 110+ pages ke hai, agar aap paiso ki baat krna chahte hai reply this comment. Thank you this is best OS playlist.

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yess i want to buy this course jitne pese kaho gee ml jaye gein

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Bhut kuch mella ap sy sikhny ko bhai may اللہ keep you happy and fulfill your all needs. Stay blessed dear bro 😊😊❤️

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very good explanation really...thankyou so much sir 😇

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thank you so much sir I m preparing for PGT computer science very helpful.

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Helped me a lot sir ❤️🙏🏼.. Your lectures is one of the best I've ever come across!! ❤️

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According to your profile god will help you don't worry bro

[@mahisinha1655]

Do u have notes Then please send

[@prasannanalli1728]

Sire truly very well explained in layman;s language. Thank you sirji. Kind of you sir

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Sir you are the amazing teacher in this platform..so don't request to subscribe your channel because who one watching your series.they subscribe you.🤞🤞🤞

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Legends watching on the day of exam 😂

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30 min left for my exam😢

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No one night before the exam😅

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Before 2 hours

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It's means i am legend 😎 i don't know about this 😅😅😂😂😂

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Before half an hour

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Very beautifully and in a layman language you have elaborated this 😊👍🏼

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[@etute123]

Sir it is very helpful for me to revise my topics before my university exam.. thank u for this video. Please try to upload videos for DBMS

[@amarjitthokchom5105]

thanks for this vedeo,,,very helpfull

[@shut_up_chemp6034]

Apke video me 2× me dekh raha hun fir bhi samajh me aaraha hai Thank you

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Your lecture like is Oxford university teacher THANKS.

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i am seeing this video cuz there is my viva half an hour later 🙄good video mam se jyada hi samajh aa gaya vaise

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why you are westing time in comment

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Thanks Usttad g you are great teacher thodiaa videos dekh k hi DBMS da paper Vdia hoya Te hun Fr tyaari Chl rhi hai kl de paper os d

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Bohat Kuch Sikhny Ko Mila Very Weldone Bhai💓

[@FaizanKhan-zw1if]

Bhaii yrr 10 videos dekhlo 20 20 mins ki fir b actual topic samajme nahi aata par apki ek 18min ki vid ne bhut kuch samjha diya thankyou so much bro and wese me kisi ki vids me comments karta nahi par apke isme sach me dil se kara also subscribe bhii

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2024 batch attendance😂

[@siddharthchaudhary3781]

Present sir.

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P

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P

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I am watching this video because tomorrow is my computer exam 😂😂😂

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😂😂

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Really sir u r the osm... mujhe bhot achi trh se apka smjhaya hua smjh aagya... infact apka tarif m apne computer teacher se v krti hu thank u sir

[@Explore9yt]

Tonight watched This playlist

[@shambhavitripathi7893]

How calmly you teach a big topic just like it is nothing.....thanks sir...

[@SalmanAli-fq4df]

Thank you so much sir...you are the world bestest teacher❤God bless you Ameen.

[@vijithvnair7133]

Thank you very much sir. Actually I don't know Hindi, i understand what you explain. So very good explanation sir.

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Miracle

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🙄😲😳

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Very nice explain you it's very helpful thaks a lots of

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Ita acha smj aya pdh k b mza aya ❤️❤️

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You are a best teacher of computer

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Nice explanation sir. Its very easy to understand, Thank you very much for making a video class , its very help full to me

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