Section 2: Process Management - bmitch26/Operating-Systems GitHub Wiki
Section 2. Process Management
- Process
- Threads
- Sequences of activities being executed within a process
- Process States (New, Ready, Running, Waiting, Terminated)
- The different states in which a computer handles the processes of a program
- Process Control Block (PCB)
- Data structure that keeps track of all the key information needed to manage and regulate different processes
- Context Switch
- Process of storing the state of a process/thread to restore for use later on
- Multitasking
- The ability of an OS to run multiple processes at once.
- Multiprocessing
- The utilization of multiple processors working in parallel to complete a task.
- Multithreading
- Dividing a process into multiple threads that can be executed simultaneously.
- Process Synchronization
- Coordinated execution of multiple processes so that there's controlled and predictable access to shared resources
- Inter-Process Communication (IPC)
- Pipes
- Technique that lets multiple processes communicate with each other through a uni/bi-directional channel
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- Message Queues
- Linked list of messages to be shared with other processes and stored in the kernel.
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- Shared Memory
- Shared block of memory that multiple processes access at the same time.
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- Sockets
- Bidirectional pipe endpoint that allows unrelated processes to communicate with each other within the same machine or network.
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