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Operating Systems

Description

Mind Map on Operating Systems, created by David Lee on 09/11/2016.
David Lee
Mind Map by David Lee, updated more than 1 year ago
David Lee
Created by David Lee about 8 years ago
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Resource summary

Operating Systems
  1. Processes
    1. Process Control Block
      1. Stack
        1. Heap
          1. Text (code)
            1. Program Counter
              1. I/O Devices
                1. File Descriptors
                  1. CPU Status/Registers
                  2. Process State
                    1. Created
                      1. Ready
                        1. Running
                          1. Waiting
                            1. Terminated
                            2. System Queues
                              1. Ready Queue
                                1. I/O Request Queues
                                  1. Job Queue
                                  2. Types of Scheduling
                                    1. Long-Term
                                      1. From disk to RAM
                                      2. Mid-term
                                        1. RAM to disk when waiting
                                        2. Short-term
                                          1. CPU Scheduling/Dispatch
                                        3. Communication
                                          1. Interprocess
                                            1. Message Passing
                                              1. Direct
                                                1. Indirect
                                                2. Shared Memory
                                                3. Client-Server
                                                  1. Sockets
                                                    1. RPC
                                                      1. RMI
                                                    2. Context Switch
                                                      1. Parent and Child
                                                        1. Mapping
                                                          1. Process to CPU
                                                            1. Thread to Core
                                                              1. Parallelism vs Concurrency
                                                              2. Unix Process Creation/Execution
                                                              3. Threads
                                                                1. Types of Threads
                                                                  1. User Threads
                                                                    1. POSIX
                                                                      1. Win32
                                                                        1. Java
                                                                        2. Kernel Threads
                                                                          1. Linux
                                                                            1. Windows
                                                                          2. Singlethreaded
                                                                            1. Multithreaded
                                                                              1. Models
                                                                                1. Many-to-One
                                                                                  1. One-to-One
                                                                                    1. Many-to-Many
                                                                                  2. Threading Issues
                                                                                    1. Java Thread States
                                                                                      1. New
                                                                                        1. Runnable
                                                                                          1. Blocked
                                                                                            1. Dead
                                                                                          2. OS Structures
                                                                                            1. OS Services
                                                                                              1. Kernel
                                                                                                1. Command Interpreters
                                                                                                  1. Virtual Machines
                                                                                                    1. I/O
                                                                                                      1. Synchronous
                                                                                                        1. Asynchronous
                                                                                                        2. Interrupts
                                                                                                          1. Hardware
                                                                                                            1. Software
                                                                                                            2. Design and Implementations
                                                                                                              1. Systems Requirements
                                                                                                                1. Upfront Design
                                                                                                                  1. Modularity
                                                                                                                    1. Policy Decisions
                                                                                                                      1. Programming Language
                                                                                                                        1. Debugging
                                                                                                                        2. Device Controllers
                                                                                                                          1. Direct Memory Access
                                                                                                                            1. Types of Requests
                                                                                                                              1. User Mode vs Kernel mode
                                                                                                                                1. System Calls
                                                                                                                                  1. Program Control
                                                                                                                                    1. Status Requests
                                                                                                                                      1. I/O Requests
                                                                                                                                  2. Scheduling
                                                                                                                                    1. Algorithrms
                                                                                                                                      1. First-Come First-Serve
                                                                                                                                        1. Shortest-Job-First
                                                                                                                                          1. Round Robin
                                                                                                                                            1. Multilevel Feedback Queue
                                                                                                                                              1. Priority
                                                                                                                                              2. Preemptive vs Non-Preemptive
                                                                                                                                                1. Attributes/Criteria
                                                                                                                                                  1. CPU Utilization
                                                                                                                                                    1. Throughput
                                                                                                                                                      1. Waiting Time
                                                                                                                                                        1. Response Time
                                                                                                                                                          1. Execution Time
                                                                                                                                                          2. Performance Techniques
                                                                                                                                                            1. Gantt Charts
                                                                                                                                                              1. Simulation
                                                                                                                                                                1. Implementation
                                                                                                                                                                2. Dispatcher
                                                                                                                                                                3. Synchronization
                                                                                                                                                                  1. Classic Problems
                                                                                                                                                                    1. Bounded Buffer
                                                                                                                                                                      1. Readers-Writers
                                                                                                                                                                        1. Dining Philosophers
                                                                                                                                                                        2. Solutions
                                                                                                                                                                          1. Hardware Level
                                                                                                                                                                            1. Test-and-Set
                                                                                                                                                                              1. Compare-and-Swap
                                                                                                                                                                              2. User Level
                                                                                                                                                                                1. Peterson's Algorithm
                                                                                                                                                                                  1. Dekker's Algorithm
                                                                                                                                                                                  2. OS Level
                                                                                                                                                                                    1. Sempahores
                                                                                                                                                                                    2. Language Level
                                                                                                                                                                                      1. Monitors
                                                                                                                                                                                    3. Critical Section
                                                                                                                                                                                      1. Requirements
                                                                                                                                                                                        1. Mutual Exclusion
                                                                                                                                                                                          1. Progress
                                                                                                                                                                                            1. Bounded Waiting
                                                                                                                                                                                          2. Problems
                                                                                                                                                                                            1. Deadlock
                                                                                                                                                                                              1. Race Condition
                                                                                                                                                                                                1. Starvation
                                                                                                                                                                                                2. Locks
                                                                                                                                                                                                  1. Semaphores
                                                                                                                                                                                                    1. Monitors
                                                                                                                                                                                                      1. Test-and-set
                                                                                                                                                                                                        1. Compare-and-swap
                                                                                                                                                                                                          1. Mutex
                                                                                                                                                                                                          2. Java Synchronization
                                                                                                                                                                                                            1. Atomic Transactions
                                                                                                                                                                                                            2. Deadlocks
                                                                                                                                                                                                              1. Conditions For Deadlock
                                                                                                                                                                                                                1. Mutual Exclusion
                                                                                                                                                                                                                  1. Hold and Wait
                                                                                                                                                                                                                    1. No Preemption
                                                                                                                                                                                                                      1. Circular Wait
                                                                                                                                                                                                                      2. Resource Allocation Graph
                                                                                                                                                                                                                        1. Types of Edges
                                                                                                                                                                                                                          1. Request
                                                                                                                                                                                                                            1. Assignment
                                                                                                                                                                                                                              1. Claim
                                                                                                                                                                                                                            2. Handling Deadlocks
                                                                                                                                                                                                                              1. Prevention
                                                                                                                                                                                                                                1. Avoidance
                                                                                                                                                                                                                                  1. Detection and Recovery
                                                                                                                                                                                                                                  2. Banker's Algorithm
                                                                                                                                                                                                                                  3. Protection
                                                                                                                                                                                                                                    1. Goals
                                                                                                                                                                                                                                      1. Protection Domain
                                                                                                                                                                                                                                        1. Static
                                                                                                                                                                                                                                          1. Dynamic
                                                                                                                                                                                                                                            1. Domain Structure
                                                                                                                                                                                                                                            2. Access Matrix
                                                                                                                                                                                                                                              1. Implementations
                                                                                                                                                                                                                                            3. File System
                                                                                                                                                                                                                                              1. Interface
                                                                                                                                                                                                                                                1. File Concepts
                                                                                                                                                                                                                                                  1. Access Methods
                                                                                                                                                                                                                                                    1. Sequential
                                                                                                                                                                                                                                                      1. Direct
                                                                                                                                                                                                                                                      2. Disk
                                                                                                                                                                                                                                                        1. Structure
                                                                                                                                                                                                                                                          1. Partition
                                                                                                                                                                                                                                                            1. Volume
                                                                                                                                                                                                                                                          2. Directory
                                                                                                                                                                                                                                                            1. Single-Level
                                                                                                                                                                                                                                                              1. Two-Level
                                                                                                                                                                                                                                                                1. Tree-Structure
                                                                                                                                                                                                                                                                  1. Acyclic Graph
                                                                                                                                                                                                                                                                  2. File Sharing
                                                                                                                                                                                                                                                                    1. File Protection
                                                                                                                                                                                                                                                                    2. Implementation
                                                                                                                                                                                                                                                                      1. Allocation Methods
                                                                                                                                                                                                                                                                        1. Contiguous
                                                                                                                                                                                                                                                                          1. Linked
                                                                                                                                                                                                                                                                            1. Indexed
                                                                                                                                                                                                                                                                            2. Free-Space Management
                                                                                                                                                                                                                                                                              1. Bit Vector
                                                                                                                                                                                                                                                                                1. Linked List
                                                                                                                                                                                                                                                                                  1. Efficiency and Performance
                                                                                                                                                                                                                                                                                  2. Directory
                                                                                                                                                                                                                                                                                    1. Linear List
                                                                                                                                                                                                                                                                                      1. Hash Table
                                                                                                                                                                                                                                                                                      2. Virtual File System
                                                                                                                                                                                                                                                                                        1. Inode
                                                                                                                                                                                                                                                                                          1. File
                                                                                                                                                                                                                                                                                            1. Superblock
                                                                                                                                                                                                                                                                                              1. Dentry
                                                                                                                                                                                                                                                                                          2. Main Memory
                                                                                                                                                                                                                                                                                            1. Adressing
                                                                                                                                                                                                                                                                                              1. Logical
                                                                                                                                                                                                                                                                                                1. Physical
                                                                                                                                                                                                                                                                                                2. Swapping
                                                                                                                                                                                                                                                                                                  1. Fragmentation
                                                                                                                                                                                                                                                                                                    1. External
                                                                                                                                                                                                                                                                                                      1. Internal
                                                                                                                                                                                                                                                                                                        1. Compaction
                                                                                                                                                                                                                                                                                                        2. Paging
                                                                                                                                                                                                                                                                                                          1. Methods
                                                                                                                                                                                                                                                                                                            1. Page Table
                                                                                                                                                                                                                                                                                                            2. Hardware
                                                                                                                                                                                                                                                                                                              1. Contiguous Allocation
                                                                                                                                                                                                                                                                                                              2. Virtual Memory
                                                                                                                                                                                                                                                                                                                1. Paging
                                                                                                                                                                                                                                                                                                                  1. Page Replacement
                                                                                                                                                                                                                                                                                                                    1. Reference Bit
                                                                                                                                                                                                                                                                                                                      1. Dirty Bit
                                                                                                                                                                                                                                                                                                                        1. Algorithms
                                                                                                                                                                                                                                                                                                                          1. FIFO
                                                                                                                                                                                                                                                                                                                            1. OPT
                                                                                                                                                                                                                                                                                                                              1. LRU
                                                                                                                                                                                                                                                                                                                                1. Second Chance
                                                                                                                                                                                                                                                                                                                              2. Page Faults
                                                                                                                                                                                                                                                                                                                              3. Thrasing
                                                                                                                                                                                                                                                                                                                                1. Causes
                                                                                                                                                                                                                                                                                                                                2. Frame Allocation
                                                                                                                                                                                                                                                                                                                                  1. Global vs Local
                                                                                                                                                                                                                                                                                                                                    1. Fixed
                                                                                                                                                                                                                                                                                                                                      1. Priority
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