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Introduction to Operating System

Operating system विशेष programs का ऐसा समूह है जो computer की क्रियाओं का संचालन करता है और computer की क्रियाओं को एक प्रोग्राम से दूसरे में स्थानांतरित करके गति प्रदान करता है। Operating System को कंप्यूटर का आत्मा कहा जाता है।

ऑपरेटिंग सिस्टम एक system software है जो कंप्यूटर के Hardware और software को नियंत्रित (control) करता है, साथ ही ऑपरेटिंग सिस्टम program का एक समूह (set) है जो कंप्यूटर सिस्टम के सभी कार्यों को भी नियंत्रित करता है ।

वे computer जिसमें एक से अधिक user एक साथ कार्य करते हैं उसमें operating system सभी users की वैधता की जांच करता है और केवल वे user इस computer पर कार्य कर सकते हैं जिन्हें एक password प्रदान किया गया है जिससे वे वैध माने जाते हैं। Operating system के बिना computer में कोई भी अन्य program कार्य नहीं कर सकता। 

जिस प्रकार मानव शरीर में रक्त शरीर की सभी क्रियाओं के संचालन में सहायक है उसी प्रकार operating system computer की संचालन में सहायक होता है।

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Unit 1 - Introduction to Operating System

Topic Name	Download Link	Article Link
Introduction To Operating Systems	Download PDF	Read Here
Operating System Architecture	Download PDF	Read Here
Process Model in Operating System	Download PDF	Read Here
System Call in Operating System	Download PDF	Read Here
System Booting in OS	Download PDF	Read Here
What are Multiprogramming and Multitasking	Download PDF	Read Here
Types or Classification of OS	Download PDF	Read Here
Multi-Threading क्या है ?	Download PDF	Read Here

Unit 2 - Process Management

Topic Name	Download Link	Article Link
Process Definition, Process Scheduling	Download PDF	Read Here
CPU Scheduling Algorithm in OS	Download PDF	Read Here
Inter-Process Communication (IPC)	Download PDF	Read Here
CPU Scheduling Algorithms	Download PDF	Read Here
Process Synchronization and its types	Download PDF	Read Here
Deadlocks in Os	Download PDF	Read Here
Deadlocks and Avoidance in OS	Download PDF	Read Here

Unit-III Memory Management

Topic Name	Download Link	Article Link
Memory Management in Os	Download PDF	Read Here
What is Background in OS Logical Versus	Download PDF	Read Here
What is Swapping in OS	Download PDF	Read Here
What is Contiguous Allocation and Paging	Download PDF	Read Here
What is Paging and Segmentation in os	Download PDF	Read Here

Unit-IV Device and Storage Management

Topic Name	Download Link	Article Link
File System Interface	Download PDF	Read Here
Mass Storage Structure in os	Download PDF	Read Here
Device Management and its types in os in Hindi	Download PDF	Read Here
What is a dedicated device in os in Hindi	Download PDF	Read Here
What is Shared Device in os in Hindi	Download PDF	Read Here
What is Buffering and its types in os in Hindi	Download PDF	Read Here
What is multipathing in os in Hindi	Download PDF	Read Here
What is Secondary Storage Structure in os in Hindi	Download PDF	Read Here
Disk Scheduling Algorithms in os in Hindi	Download PDF	Read Here

Unit-V: File System Implementation

Topic Name	Download Link	Article Link
A Simple File System in Operating system and its types | फाइल सिस्टम क्या है? और इसके प्रकार	Download PDF	Read Here
Logical and Physical File System in Operating System	Download PDF	Read Here
What is File System in Linux | Operating System in Hindi	Download PDF	Read Here
File Organization क्या है ? और इसके प्रकार | File Organization And It's Types in OS	Download PDF	Read Here
File Concepts in Operating System in Hindi | File Structure and Attributes in OS	Download PDF	Read Here