Operating Systems
Understand processes, threads, CPU scheduling, synchronization, deadlocks, paging, virtual memory, and file systems.
"Understand the theory,
ace the interview."
Subject Curriculum
Core concepts, architecture, and system software fundamentals
Exam and placement study guide for What is an OS & Its Functions.
Exam and placement study guide for Types of Operating Systems.
Exam and placement study guide for Operating System Structures.
Comprehensive 10-question placement quiz covering all topics in Introduction to Operating Systems.
Processes, threads, states, context switching, and inter-process communication
Exam and placement study guide for Process Concept & Process Control Block (PCB).
Exam and placement study guide for Process States & State Transitions.
Exam and placement study guide for Threads & Multithreading.
Exam and placement study guide for Inter-Process Communication (IPC).
Comprehensive 10-question placement quiz covering all topics in Process Management.
Criteria, algorithms, Gantt charts, and multilevel queue scheduling
Exam and placement study guide for Scheduling Concepts & Criteria.
Exam and placement study guide for Scheduling Algorithms.
Exam and placement study guide for Multilevel Queue Scheduling.
Comprehensive 10-question placement quiz covering all topics in CPU Scheduling.
Critical sections, Peterson's algorithm, semaphores, and classical problems
Exam and placement study guide for The Critical Section Problem.
Exam and placement study guide for Peterson's Solution.
Exam and placement study guide for Semaphores.
Exam and placement study guide for Classical Synchronization Problems.
Comprehensive 10-question placement quiz covering all topics in Process Synchronization.
Characterization, Coffman conditions, Banker's algorithm, and recovery
Exam and placement study guide for Deadlock Characterization.
Exam and placement study guide for Deadlock Prevention & Avoidance.
Exam and placement study guide for Deadlock Detection & Recovery.
Comprehensive 10-question placement quiz covering all topics in Deadlocks.
Contiguous allocation, fragmentation, paging, and segmentation
Exam and placement study guide for Contiguous Memory Allocation.
Exam and placement study guide for Paging.
Exam and placement study guide for Segmentation.
Comprehensive 10-question placement quiz covering all topics in Memory Management.
Demand paging, page replacement algorithms, and thrashing prevention
Exam and placement study guide for Demand Paging.
Exam and placement study guide for Page Replacement Algorithms.
Exam and placement study guide for Thrashing.
Comprehensive 10-question placement quiz covering all topics in Virtual Memory.
File concepts, access methods, directory structures, and disk block allocation
Exam and placement study guide for File Concepts & Access Methods.
Exam and placement study guide for Directory Structures.
Exam and placement study guide for File Allocation Methods.
Comprehensive 10-question placement quiz covering all topics in File Systems.
I/O hardware, layered software drivers, disk geometry, and seek scheduling algorithms
Exam and placement study guide for I/O Hardware & Software Layers.
Exam and placement study guide for Disk Structure & Disk Scheduling Algorithms.
Comprehensive 10-question placement quiz covering all topics in I/O and Disk Management.
Protection goals, access matrix, security threats, and multi-layered defenses
Exam and placement study guide for Goals of Protection & The Access Matrix.
Exam and placement study guide for System Security Threats.
Comprehensive 10-question placement quiz covering all topics in Protection and Security.