Course module
Operating System — ISRO Scientist/Engineer 'SC'
- Lessons
- 255
- Duration
- 28 hr 23 min
- PYQs
- 127
- Practice
- 377
13% of this course's PYQ weight is covered in this module.
Syllabus index
Lessons in this module
Introduction to OS
OS Basics & Goals
OS Types & Evolution
- OS Types & EvolutionPdf
- Batch Operating SystemDrm Video
- SpoolingDrm Video
- Multiprogramming OSDrm Video
- Multitasking OSDrm Video
- multiprocessing operating systemDrm Video
- Types of Multiprocessing Operating SystemDrm Video
- Real Time Operating SystemDrm Video
- Types of Real Time Operating SystemDrm Video
- Distributed Operating SystemDrm Video
OS Structure & Interface
System Calls & Dual Mode
Process Management
Process Basics & PCB
Process State & Lifecycle
Schedulers & Switching
CPU Scheduling
Basics & Criteria
FCFS Scheduling
SJF & SRTF Scheduling
Priority Scheduling
Round Robin Scheduling
LJF & HRRN
Process Synchronization
Intro & Critical Section
Two Process Solutions
Semaphores & Ordering
Classical Problems
Types of Semaphores
Deadlock
Basics & Conditions
Deadlock Prevention
Avoidance & Banker's Algo
Threads & Process Creation
Fork System Call
Memory Management
Basics & Hierarchy
Contiguous Allocation
- Contiguous AllocationPdf
- Contiguous Allocation Policy and Address TranslationDrm Video
- Improvement in Address TranslationDrm Video
- Basics of Space Allocation in Contiguous AllocationDrm Video
- First Fit PolicyDrm Video
- Best Fit PolicyDrm Video
- Worst Fit PolicyDrm Video
- Next Fit PolicyDrm Video
- External FragmentationDrm Video
- Internal FragmentationDrm Video
- Conclusion of External FragmentationDrm Video
Paging & TLB
- Paging & TLBPdf
- Basic of PagingDrm Video
- Understanding Paging FurtherDrm Video
- Logical to Physical Address Translation in PagingDrm Video
- Page Table in PagingDrm Video
- Advantage and Disadvantage of PagingDrm Video
- Address to Memory TranslationDrm Video
- Memory to Address TranslationDrm Video
- Numerical background of PagingDrm Video
- Numerical of Page TableDrm Video
- Understanding Translation Look Aside BufferDrm Video
- Disadvantage of TLBDrm Video
Multilevel Paging
Virtual Memory
Demand Paging Basics
FIFO Page Replacement
Optimal Replacement
LRU Page Replacement
Disc Scheduling
FCFS & SSTF Scheduling
SCAN & C-SCAN Algos
LOOK & C-LOOK Algos
File Management
File Allocation Methods
Free Space Management
Directories & Structure
- Directories & StructurePdf
- File Access Methods and their types-Drm Video
- Directory and Disk StructureDrm Video
- Directory StructureDrm Video
- Acyclic Graph DirectoryDrm Video
- General Graph DirectoryDrm Video
- File System MountingDrm Video
- File sharingDrm Video
- File System Structure and Implementation-Drm Video
Storage & RAID Management
Unix OS
Introduction
Essential Commands
File System
Introduction to Shell Programming
Decision Making & Loops (Shell Programming)
Functions & File Handling (Shell Programming)
Linux OS
Introduction
Essential Commands
- Essential Commands in LinuxPdf
- Directory CommandsDrm Video
- File Management CommandsDrm Video
- Searching CommandsDrm Video
- File Permission CommandsDrm Video
- User Management CommandsDrm Video
- Disk & Storage CommandsDrm Video
- Process Control CommandsDrm Video
- Process Monitoring CommandsDrm Video
- System Monitoring & Troubleshooting CommandsDrm Video
- Networking CommandsDrm Video
- Compression CommandsDrm Video
Job Scheduling
Previous-year questions
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Explore the course
- General Aptitude & Reasoning
- Computer Networks & Cybersecurity
- Programming, Data Structures & Algorithms
- AI, Machine Learning, Big Data & Cloud
- Digital Logic & Computer Organization
- TOC & Compiler
- Discrete Mathematics
- Software Engineering
- Database Management System
- Full Mock Test
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