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  • Georgia Tech OMSCS
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    • Computability, Complexity & Algorithms
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    • Introduction to Operating Systems
      • C Programming Coding Conventions
      • Example Topic
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      • P1L1
      • 1 - Introduction
      • 2 - Why Should I Take this Course?
      • 3 - Course Overview
      • 4 - Theory and Practice
      • 5 - Course Materials
      • 6 - Course Policies
      • 7 - Visual Metaphor
      • 8 - Your Learning Expectations
      • P1L2
      • 1 - Lesson Preview
      • 2 - Visual Metaphor
      • 3 - What is an Operating System?
      • 4 - Operating System Definition
      • 5 - Operating System Components Quiz
      • 6 - Operating System Components Quiz Solution
      • 7 - Abstraction or Arbitration Quiz
      • 8 - Abstraction or Arbitration Quiz Solution
      • 9 - Operating System Examples
      • 10 - OS Elements
      • 11 - OS Elements Example
      • 12 - OS Design Principles
      • 13 - OS Protection Boundary
      • 14 - System Call Flowchart
      • 15 - Crossing the OS Boundary
      • 16 - OS Services
      • 17 - System Calls Quiz
      • 18 - System Calls Quiz Solution
      • 19 - Monolithic OS
      • 20 - Modular OS
      • 21 - Microkernel
      • 22 - Linux and Mac OS Architectures
      • 23 - Lesson Summary
      • 24 - Lesson Review
      • P2L1 - Process and Process Management
      • 1 - Lesson Preview
      • 2 - Visual Metaphor
      • 3 - What is a Process?
      • 4 - What Does a Process Look Like?
      • 5 - Process Address Space
      • 6 - Address Space and Memory Management
      • 7 - Virtual Addresses Quiz
      • 8 - Virtual Addresses Quiz Solution
      • 9 - Process Execution State
      • 10 - Process Control Block
      • 11 - How is a PCB Used?
      • 12 - Context Switch
      • 13 - Hot Cache Quiz
      • 14 - Hot Cache Quiz Solution
      • 15 - Process Life Cycle: States
      • 16 - Process State Quiz
      • 17 - Process State Quiz Solution
      • 18 - Process Life Cycle: Creation
      • 19 - Parent Process Quiz
      • 20 - Parent Process Quiz Solution
      • 21 - Role of the CPU Scheduler
      • 22 - Length of Process
      • 23 - What about I/O
      • 24 - Scheduler Responsibility Quiz
      • 25 - Scheduler Responsibility Quiz Solution
      • 26 - Inter Process Communication
      • 27 - Shared Memory Quiz
      • 28 - Shared Memory Quiz Solution
      • 29 - Lesson Summary
      • 30 - Lesson Review
      • P2L2: Threads and Concurrency
      • 1 - Lesson Preview
      • 2 - Visual Metaphor
      • 3
      • 4 - Benefits of Multithreading
      • 5 - Benefits of Multithreading: Single CPU
      • 6 - Benefits of Multithreading: Apps and OS
      • 7
      • 8
      • 9 - Basic Thread Mechanisms
      • 10 - Thread Creation
      • 11 - Thread Creation Example
      • 12 - Mutexes
      • 13 - Mutual Exclusion
      • 14 - Mutex Example
      • 15 - Mutex Quiz
      • 16 - Mutex Quiz Solution
      • 17 - Producer and Consumer Example
      • 18 - Condition Variables
      • 19 - Condition Variable API
      • 20 - Condition Variable Quiz
      • 21 - Condition Variable Quiz Solution
      • 22 - Reader-Write Problem
      • 23 - Readers and Writer Example Part 1
      • 24 - Readers and Writer Example Part 2
      • 25 - Readers and Writer Example Part 3
      • 26 - Critical Section Structure
      • 27 - Critical Section Structure with Proxy
      • 28 - Common Pitfalls
      • 29 - Spurious Wake Ups
      • 30 - Deadlocks Introduction
      • 31 - Deadlocks
      • 32 - Deadlocks Summary
      • 33 - Critical Section Quiz
      • 34 - Critical Section Quiz Solution
      • 35
      • 36 - Multithreading Models
      • 37 - Scope of Multithreading
      • 38 - Multithreading Patterns
      • 39 - Boss - Workers Pattern
      • 40 - How Many Workers?
      • 41 - How Many Workers?
      • 42 - Pipeline Pattern
      • 43 - Layered Pattern
      • 44 - Multithreading Patterns Quiz
      • 45 - Multithreading Patterns Quiz Solution
      • 46 - Lesson Summary
      • 47 - Lesson Review
      • P2L3
      • P2L4
      • P2L5
      • P3L1
      • P3L2
      • P3L3
      • 1 - Lesson Preview
      • 2 - Visual Metaphor
      • 3 - More About Synchronization
      • 4 - Spinlocks
      • 5 - Semaphores
      • 6 - POSIX Semaphores
      • 7 - Mutex Via Semaphore Quiz
      • 8 - Mutex Via Semaphore Quiz Solution
      • 9 - Reader Writer Locks
      • 10 - Using Reader Writer Locks
      • 11 - Monitors
      • 12 - More Synchronization Constructs
      • 13 - Sync Building Block Spinlock
      • 14 - Spinlock Quiz 1
      • 15 - Spinlock Quiz 1 Solution
      • 16 - Spinlock Quiz 2
      • 17 - Spinlock Quiz 2 Solution
      • 18 - Need for Hardware Support
      • 19 - Atomic Instructions
      • 20 - Shared Memory Multiprocessors
      • 21 - Cache Coherence
      • 22 - Cache Coherence and Atomics
      • 23 - Spinlock Performance Metrics
      • 24 - Conflicting Metrics Quiz
      • 25 - Conflicting Metrics Quiz Solution
      • 26 - Test and Set Spinlock
      • 27 - Test and Test and Set Spinlock
      • 28 - Test and Test and Set Spinlock Quiz
      • 29 - Test and Test and Set Spinlock Quiz Solution
      • 30 - Spinlock “Delay” Alternatives
      • 31 - Picking a Delay
      • 32 - Queueing Lock
      • 33 - Queueing Lock Implementation - lang_en
      • 33 - Queueing Lock Implementation
      • 34 - Queueing Lock Array Quiz
      • 35 - Queueing Lock Array Quiz Solution
      • 36 - Spinlock Performance Comparisons
      • 37 - Lesson Summary
      • 38 - Lesson Review
      • 1 - Lesson Preview
      • 2 - Visual Metaphor
      • 3 - IO Devices
      • 4 - IO Devices Quiz
      • 5 - IO Devices Quiz Solution
      • 6 - IO Device Features
      • 7 - CPU Device Interconnect
      • 8 - Device Drivers
      • 9 - Types of Devices
      • 10 - IO Devices as Files Quiz
      • 11 - IO Devices as Files Quiz Solution
      • 12 - Pseudo Devices Quiz
      • 13 - Pseudo Devices Quiz Solution
      • 14 - Looking at Dev Quiz
      • 15 - Looking at DevQuizSolution
      • 16 - CPU Device Interactions
      • 17 - Device Access PIO
      • 18 - Device Access DMA
      • 19
      • 20
      • 21 - Typical Device Access
      • 22 - OS Bypass
      • 23
      • 24 - Block Device Stack
      • 25 - Block Device Quiz
      • 26 - Block Device Quiz Solution
      • 27 - Virtual File System
      • 28 - Virtual File System Abstractions
      • 29 - VFS on Disk
      • 30 - ext2 Second Extended Filesystem
      • 31 - inodes
      • 32 - inodes with Indirect Pointers
      • 33 - inode Quiz
      • 34 - inode Quiz Solution
      • 35 - Disk Access Optimizations
      • 36 - Lesson Summary
      • 37 - Lesson Review
      • 1 - Lesson Preview
      • 2 - What is Virtualization
      • 3 - Defining Virtualization
      • 4 - Virtualization Tech Quiz
      • 5 - Virtualization Tech Quiz Solution
      • 6 - Benefits of Virtualization
      • 7 - Benefits of Virtualization Quiz 1
      • 8 - Benefits of Virtualization Quiz 1 Solution
      • 9 - Benefits of Virtualization Quiz 2
      • 10 - Benefits of Virtualization Quiz 2 Solution
      • 11 - Virtualization Models Bare Metal
      • 12 - Virtualization Models Hosted
      • 13 - Bare Metal or Hosted Quiz
      • 14 - Bare Metal or Hosted Quiz Solution
      • 15 - Virtualization Requirements Quiz
      • 16 - Virtualization Requirements Quiz Solution
      • 17 - Hardware Protection Levels
      • 18 - Processor Virtualization
      • 19 - x86 Virtualization in the Past
      • 20 - Problematic Instructions Quiz
      • 21 - Problematic Instructions Quiz Solution
      • 22 - Binary Translation
      • 23 - Paravirtualization
      • 24 - BT and PV Quiz
      • 25 - BT and PV Quiz Solution
      • 26 - Memory Virtualization Full
      • 27 - Memory Virtualization Paravirtualized
      • 28 - Device Virtualization
      • 29 - Passthrough Model
      • 30 - Hypervisor Direct Model
      • 31 - Split Device Driver Model
      • 32 - Hardware Virtualization
      • 33 - Hardware Virtualization Quiz
      • 34 - Hardware Virtualization Quiz Solution
      • 35 - x86 VT Revolution
      • 36 - Lesson Summary
      • 37 - Lesson Review
      • 1 - Lesson Preview
      • 2 - Why RPC?
      • 3 - Benefits of RPC
      • 4 - RPC Requirements
      • 5 - Structure of RPC
      • 6 - Steps in RPC
      • 7 - Interface Definition Language
      • 8 - Specifying an IDL
      • 9 - Marshalling
      • 10 - Unmarshalling
      • 11 - Binding and Registry
      • 12 - Visual Metaphor
      • 13 - Pointers in RPCs
      • 14 - Handling Partial Failures
      • 15 - RPC Failure Quiz
      • 16 - RPC Failure Quiz Solution
      • 17 - RPC Design Choice Summary
      • 18 - What is SunRPC?
      • 19 - SunRPC Overview
      • 20 - SunRPC XDR Example
      • 21 - Compiling XDR
      • 22 - Summarizing XDR Compilation
      • 23
      • 24
      • 25 - SunRPC Registry
      • 26 - SunRPC Binding
      • 27 - XDR Data Types
      • 28 - XDR Data Types Quiz
      • 29 - XDR Data Types Quiz Solution
      • 30 - XDR Routines
      • 31 - Encoding
      • 32 - XDR Encoding
      • 33 - XDR Encoding Quiz
      • 34 - XDR Encoding Quiz Solution
      • 35 - Java RMI
      • 36 - Lesson Summary
      • 37 - Lesson Review
      • 1 - Lesson Preview
      • 2 - Visual Metaphor
      • 3 - Distributed File Systems
      • 4 - DFS Models
      • 5 - Remote File Service: Extremes
      • 6 - Remote File Service A Compromise
      • 7
      • 8 - Caching State in a DFS
      • 9 - File Caching Quiz
      • 10 - File Caching Quiz Solution
      • 11 - File Sharing Semantics on a DFS
      • 12 - DFS Data Structure Quiz
      • 13 - DFS Data Structure Quiz Solution
      • 14 - File vs Directory Service
      • 15 - Replication and Partitioning
      • 16
      • 17
      • 18 - Networking File System (NFS) Design
      • 19 - NFS File Handle Quiz
      • 20 - NFS File Handle Quiz Solution
      • 21 - NFS Versions
      • 22 - NFS Cache Consistency Quiz
      • 23 - NFS Cache Consistency Quiz Solution
      • 24 - Sprite Distributed File System
      • 25 - Sprite DFS Access Pattern Analysis
      • 26 - Sprite DFS From Analysis to Design
      • 27 - File Access Operations in Sprite
      • 28 - Lesson Summary
      • 29 - Lesson Review
      • 1 - Lesson Preview
      • 2 - Visual Metaphor
      • 3 - Reviewing DFSs
      • 4 - Peer Distributed Applications
      • 5 - Distributed Shared Memory (DSM)
      • 6 - Hardware vs Software DSM
      • 7 - Implementing DSM Quiz
      • 8 - Implementing DSM Quiz Solution
      • 9 - DSM Design: Sharing Granularity
      • 10 - DSM Design: Access Algorithm
      • 11 - DSM Design: Migration vs Replication
      • 12 - DSM Performance Quiz
      • 13 - DSM Performance Quiz Solution
      • 14 - DMS Design: Consistency Management
      • 15 - DSM Architecture
      • 16 - Summarizing DSM Architecture
      • 17 - Indexing Distributed State
      • 18 - Implementing DSM
      • 19 - What is a Consistency Model
      • 20 - Strict Consistency
      • 21 - Sequential Consistency
      • 22 - Causal Consistency
      • 23 - Weak Consistency
      • 24 - Consistency Models Quiz 1
      • 25 - Consistency Models Quiz 1 Solution
      • 26 - Consistency Models Quiz 2
      • 27 - Consistency Models Quiz 2 Solution
      • 28 - Consistency Models Quiz 3
      • 29 - Consistency Models Quiz 3 Solution
      • 30 - Consistency Models Quiz 4
      • 31 - Consistency Models Quiz 4 Solution
      • 32 - Consistency Models Quiz 5
      • 33 - Consistency Models Quiz 5 Solution
      • 34 - Lesson Summary
      • 35 - Lesson Review
      • 1 - Lesson Preview
      • 2 - Data Center Quiz
      • 3 - Data Center Quiz Solution
      • 4 - Internet Services
      • 5 - Internet Service Architectures
      • 6 - “Homogeneous” Architectures
      • 7 - “Heterogeneous” Architectures
      • 8 - Homogeneous Design Quiz
      • 9 - Homogeneous Design Quiz Solution
      • 10 - Heterogeneous Design Quiz
      • 11 - Heterogeneous Design Quiz Solution
      • 12 - Scale Out Limitations Quiz
      • 13 - Scale Out Limitations Quiz Solution
      • 14 - Cloud Computing Poster Child: Animoto
      • 15 - Cloud Computing Requirements
      • 16 - Cloud Computing Overview
      • 17 - Why Does Cloud Computing Work
      • 18 - Cloud Computing Vision
      • 19 - Cloud Computing Definitions Quiz
      • 20 - Cloud Computing Definitions Quiz Solution
      • 21 - Cloud Deployment Models
      • 22 - Cloud Service Models
      • 23 - Requirements for the Cloud
      • 24 - Cloud Failure Probability Quiz
      • 25 - Cloud Failure Probability Quiz Solution
      • 26 - Cloud Enabling Technologies
      • 27 - The Cloud as a Big Data Engine
      • 28 - Example Big Data Stacks
      • 29 - Lesson Summary
      • 30 - Lesson Review
      • Threads Birrell
      • Beyond MultiProcessing
      • Implementing Lightweight Threads
      • Network Programming
      • Office Hours
    • Practice Tests
    • Software Analysis and Testing
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Office Hours¶

Monday, August 27¶

  • https://www.youtube.com/watch?v=CBNKRbdKFo4&feature=youtu.be

Week 3 Office Hours - Tuesday 9/4¶

  • https://www.youtube.com/watch?v=2Qx4_yTE_M0

<Page contents

>Page contents:

  • Office Hours
    • Monday, August 27
    • Week 3 Office Hours - Tuesday 9/4
<Network Programming
Software Analysis and Testing>
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