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Computer Science
Operating Systems
Operating Systems
1. Introduction to Operating Systems
2. Operating System Structures
3. Process Management
4. CPU Scheduling
5. Process Synchronization
6. Memory Management
7. Storage Management
8. I/O Systems
9. Protection and Security
10. Advanced Topics
Advanced Topics
Virtualization Technology
Virtualization Concepts
Virtual Machine Definition
Virtualization Benefits
Virtualization Challenges
Virtualization Types
Hardware Virtualization
Full Virtualization
Para-Virtualization
Hardware-Assisted Virtualization
Operating System Virtualization
Container Technology
OS-Level Isolation
Resource Sharing
Application Virtualization
Application Isolation
Compatibility Solutions
Deployment Benefits
Hypervisor Technology
Type 1 Hypervisors
Bare-Metal Installation
Direct Hardware Access
Performance Advantages
Type 2 Hypervisors
Hosted Architecture
Host OS Dependency
Development Benefits
Container vs Virtual Machine
Architecture Differences
Resource Utilization
Performance Comparison
Use Case Analysis
Distributed Operating Systems
Distributed System Characteristics
Geographic Distribution
Concurrent Processing
Independent Failure Modes
Heterogeneous Components
Distributed System Advantages
Scalability Benefits
Fault Tolerance
Resource Sharing
Performance Distribution
Network Operating Systems
Network Service Provision
Distributed File Systems
Remote Procedure Calls
Distributed Process Management
Communication Mechanisms
Message Passing Systems
Remote Procedure Calls
Distributed Shared Memory
Group Communication
Distributed File Systems
File Sharing Models
Consistency Models
Caching Strategies
Replication Mechanisms
Distributed Synchronization
Clock Synchronization
Mutual Exclusion
Leader Election
Consensus Algorithms
Cloud Computing Integration
Cloud Service Models
Infrastructure as a Service
Virtual Machine Provision
Storage Services
Network Services
Platform as a Service
Development Platforms
Runtime Environments
Middleware Services
Software as a Service
Application Delivery
Multi-Tenancy
Service Management
Cloud Deployment Models
Public Cloud
Shared Infrastructure
Cost Benefits
Scalability Advantages
Private Cloud
Dedicated Infrastructure
Security Control
Compliance Requirements
Hybrid Cloud
Mixed Deployment
Workload Distribution
Integration Challenges
Cloud Operating System Features
Resource Elasticity
Multi-Tenancy Support
Service Orchestration
Billing Integration
Case Studies
Linux Operating System
Kernel Architecture
Monolithic Kernel Design
Loadable Modules
System Call Interface
Process Management
Process Scheduling
Thread Implementation
Signal Handling
Memory Management
Virtual Memory System
Page Replacement
Memory Mapping
File System Support
VFS Layer
File System Types
Journaling Support
Windows Operating System
System Architecture
Layered Design
Executive Services
Kernel Components
Process and Thread Management
Process Creation
Thread Scheduling
Synchronization Objects
Memory Management
Virtual Memory Manager
Paging System
Memory Protection
Security Architecture
Access Control Model
Security Descriptors
Authentication Systems
macOS and iOS
Darwin Kernel
Mach Microkernel
BSD Layer
I/O Kit Framework
Application Framework
Cocoa Framework
Application Sandboxing
Inter-Application Communication
Security Model
Code Signing
Gatekeeper
System Integrity Protection
Android Operating System
Linux Kernel Adaptations
Power Management
Low Memory Killer
Binder IPC
Application Framework
Activity Manager
Package Manager
Resource Manager
Security Architecture
Application Sandboxing
Permission System
SELinux Integration
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9. Protection and Security
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1. Introduction to Operating Systems