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Computer Operating System Part-3 | Computer by Sachin Sir | Arora Educator
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- Опубликовано: 13 дек 2020
- Computer Operating System Part-3 | Computer by Sachin Sir | Arora Educator
#ComputerOperatingSystem #ComputerCourse #AroraEducatorComputer #SachinSir #GovtJobs
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An Operating System (OS) is an interface between a computer user and computer hardware. An operating system is a software which performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers.
Some popular Operating Systems include Linux Operating System, Windows Operating System, VMS, OS/400, AIX, z/OS, etc.
Following are some of important functions of an operating System.
Memory Management
Processor Management
Device Management
File Management
Security
Control over system performance
Job accounting
Error detecting aids
Coordination between other software and users
Following are some of the most widely used types of Operating system.
Simple Batch System
Multiprogramming Batch System
Multiprocessor System
Desktop System
Distributed Operating System
Clustered System
Realtime Operating System
Handheld System
Kernel
The kernel is a part of the software. It is like a bridge between the shell and hardware. It is responsible for running programs and providing secure access to the machine’s hardware. The kernel is used for scheduling, i.e., it maintains a time table for all processes. And the types of kernels are listed a follows:
Monolithic kernel
Microkernels
Exokernels
Hybrid kernels
Shell
The shell is a part of the software which is placed between the user and the kernel, and it provides services of the kernel. The shell thus acts as an interpreter to convert the commands from the user to the machine code. Shells present in different types of operating systems are of two types: command-line shells and graphical shells.
The command-line shells provide a command-line interface while graphical line shells provide a graphical user interface. Though both shells perform operations, the graphical user interface shells perform slower than the command line interface shells.
Types of shells
Korn shell
Bourne shell
C shell
POSIX shell
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#OperatingSytemQuestions #OperatingSystemMCQ #Booting #OperatingSystemExample #Unix #Linux #Windows #ios #ComputerCapsule #ComputerRRBQuestions #ComputerExam #ComputerAwareness #ComputerSyllabus #ComputerCourse #ComputerMCQ #ComputerScience #AroraEducator #SachinAroraComputer #SachinArora #ComputerExpectedQuestions
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Thank you 🤗
11111111111111111
😂😂
Sir,thank you is small for you
Very nice session
sir apke classes ki pdf kaha se milegi ya kaise milegi
Thank you sir🙏🙏
Kernel- responsible for managing entire system
Shell - interface between user and kernel
Ex - IBM AIX, Solaris, HP-US, Darejn, macOS X, etc.
Unix developed by AT&T corporations Bell laboratories in 1960.
Linux(Unix like OS) derived from Unix
Developed by Linus Torvals and team in 1991
Linux - kernel, Linux Distributions - OS
Linux-pro free, open-source,portable,multi user, secure, distributions, fast performance,multiprogramming, hierarchical file system.
Cons Viruses, malwares, slowdown, crashes, costly repairs
Finally done 3 parts of Operating system in a single day Maja aa gya sir you are mindblowing ❤❤
भाई आपको नोकरी लग गई
@@abhishekrathor4473 Ha
@@maddy6162 सरकारी
@@abhishekrathor4473 ha Bank me
Notes banaya tha?
I never liked IT so I never tried to learn it but now when I preparing for competitives, I have to learn it and with you teaching it became so easy..
Ur way of teaching is so good, it's really helpful😊 Thanku sir
Amazing session 👏
No one is pure as u sir.u ar gem.Thank u sir
Welcome dear🙂👍
But sir ek updated versions ke liye ek video lao😢😢😢😢😢😢
sir, you are super smart.
The way you explain each and every concepts is really mind blowing, and heartily thank you so very much for this beautiful sessions.
Thank you Sachin sir aapne hamare liye computer ko bahut easy kar diya hai
Thanks a lot sirrrr ji ND also tc 🙏🏻 🙂 ❤️ 💙 ♥️
Really u are the best teacher's
बहुत ही शानदार वीडियो इसी तरह का वीडियो हमेशा भेजते रहिए 🎉🎉❤❤
😊😊😊😊😊 samajh me aa raha hai
Awesome class sir ❤❤❤
Sir , I came to know so many new things..
Thank You Sir 🙏
Always welcome 👍
Wow
very very nice
opareting system achche se samajh aaya
You are the my best teacher .....
Sir aap ka padhaya hua mind me achhi tarah se aa jata hai🙏
Thanks..
Thank you so much sir.🙏🏼kabhi soche nehi the itne ache se computer samjheng... Bahut acha session tha sir.
Thank you sir ❤
Teaching style super... Sir
Guruji 🙏🙏🙏
Thank you sir
Very nice class sir mai teeno part dekhi hu
Super 👌👌👌👌👌🧡
A lot of knowledge to get me thankyou sir
Thank you so much sir for your amazing session 🙏🙏🙏🙏🙏♥️♥️♥️♥️♥️♥️
main HP JOA ki preparation Ker raha huun or sab samjh a raha hai Dhanyawad sir
Thank you so much sir for this wonderful session and your effort for us ❤❤🎉🎉😊😊
stimulative allocution sir ....Thankful to you for giving your precious time
and you provides us best knowledge too thank you so much once again.
Bhot bdiya padate h sir aap
Tq sir g❤❤
Great session ❤️🙏
Sir aapki video kafi time se dekh rha hun bahut accha content hai aap apni koi computer ke liye app le aayiye jha que or option mile jisse practice ho jayegi...
Sure👍
गुरुदेव आप महान हो😊
Maja aa gaya sikh.... Kr sir
Really amazing session and Explaination 🙏🏻🙏🏻🙏🏻thank you sir 🙏🙏🙏
Thank you sir 🙏 love from Kerala ❤
Thank you with all my heart ❤ .....
Done 🎉 amazing session
Greatfull
Thanks sir relevant content
Thank you so much sir😇
✌️👍
N i used to thought that computer theory is quite boring but😳 you proved me wrong sir👏👏👏👏, .......i will also try to use Linux😅someday
Thanku Sirr 🥰🥰
Excellent
One day mai kitni videos dekhni chiyea
Good one sir.
Thanks Sandeep👍
Best teacher 🙏
Thank you sir🔥🎉🙏👍
Thanks and welcome @Gaurav Agarwal👍
Maja aa gaya saheb
Awsome
More to learn more to practice thkuu so much sirrr 🙏🏿🙏🏿🙏🏿
Thank you sir 🎉
Thank you sir...
All clear sir🙏🙏
Thanks @Richa Bhatia
Thankyou so much for such a comprehensive session🙏🙏
Thanks for your valuable lectures 🙏
Thanks and welcome @Prakash Verma👍
Best classes
Awesome sir
super 👌🏼👌🏼👍🏻👍🏻🙏🏻👍🏻🙏🏻
Thank you sir 🙏🙏
Thank you sir 😊
Great 👍👍👍👍
Thanks allot sir very nice
Good teaching
Thank you sir 🙏💞💞💞💞
Thanks again
Nice video
Thanks 😊
Thank you guruji
Perfect video sir❤️
Thanks @Neha Shukla👍
Too good
Vnice session sir...
Thanks sir🙏👍👍
Thanks sir ji
thankyou sir
Thnankyou so much sir
Thanku so much sir
❤
so grateful
✌️👍
Thanks🙏 sir
Mast sir..
Sirrra sirr...
Yes sir😊🤗
😊
Nice sir
Thanks Maneesh
best teacher♥️
I really enjoyed by watching video of OS
Thank you sir😊
Sir it's request to make video for DSSSB TGT/PGT Computer science MCQ all topics.
Great👍👍
tyvm sir
Is it a complete computer course for ssc cgl mains
Great session sir 👍
Thanks Rashmi🙂
Stay connected 👍
😊s sir
Sir Done 👍👍
sir computer organization bhi kawao please 🙏🏻🙏🏻🙏🏻🙏🏻
Thanks g
✌️👍
🥰
Thank you boss.. fabulous session.. ❤️
Done
Sir iske baad konsi video dekhni operating system to complete ho gya hain next konsa banking ke liye
Sir unix is Developed in the 1971
thanks for useful class
RRB po ke lie sir ye vdo....sahi h
Done Sir