Table of Contents
Operating Systems are a core subject in Computer Science and Information Technology (IT) curricula, as well as in competitive examinations such as GATE, UGC NET, and university semester exams.
On this page, you will find structured resources to learn operating systems concepts, along with clear explanations, examples and exam-ready revision notes.
What Will You Learn
On this page you will find:
- Core Operating Systems concepts explained clearly and systematically
- Exam-oriented explanations supported with relevant examples
- MCQ-based practice posts to test your understanding
- Detailed articles along with exam-ready revision PDFs
This Page is for:
- Computer science and IT students
- GATE and other competitive exam aspirants
- University exam preparation
- Self learners who want to revise data structures knowledge.
Topic Sections
Find Data Structures topics here.
(1) Introduction to Operating Systems
(2) Operating Systems Structures
(3) Process Concepts
- OS Process Concepts
- OS Process States
- Inter-Process Communications
(4) Threads & Concurrency
- Multi-Threaded Programming
- Pthreads
- Win32 Threads
- Java Threads
- Concurrency
(5) CPU Scheduling
- Types of Schedulers
- Process Scheduling Criteria
- First Come, First Served (FCFS)
- Shortest Job First ( SJF )
- Round Robin
- Priority Scheduling
- Shortest Remaining Time First (SRTF)
- Multilevel Queue
- SJF Tabular Method
- FCFS Tabular Method
(6) Process Synchronization
- Critical Section Problem
- Critical Section Solution
- Bounded-Buffer Problem
(7) Deadlocks
(8) Main Memory Management
- Memory Mapping Schemes
- Logical vs. Physical Memory Address
- Dynamic Loading And Linking
- OS Swapping Processes
- Contagious Memory Allocation
(9) Virtual Memory
- Paging
- Page Table
- Page Replacement Techniques
- Segmentation