Interprocess Communication
A process is either independent or cooperating: independent: if it cannot affect or be affected by the other processes, and does not share data with any o...
Operating System
This series of posts is for those with no prior computer science knowledge who wish to learn about operating systems, as well as for those who have studied computer science and want to refresh their knowledge.
Resources
- CS 6200: Introduction to Operating Systems by Georgia Tech OMSCS
- Operating System Concepts by Avi Silberschatz, Greg Gagne, and Peter Baer Galvin
Memory Management
Managing the physical memory (DRAM) is a role of the operating system.
Scheduling
A CPU scheduler is an operating system module that decides which process in the ready queue is allocated a CPU. It checks all of the tasks in the ready queue...
Thread Design Considerations
Thread Data Structures A user-level threading library has its own user-level thread data structure to represent threads in order to schedule and synchronize ...
pthreads
pthreads stands for POSIX Threads which is the de facto standard threading related API that operating systems need to support for thread managements. Almost ...
Threads and Concurrency
A traditional process has a single execution context that can only execute at one CPU at a given point of time. If a process can have multiple execution cont...
Processes and Process Management
Definition A process is an instance of an executing program. It is also referred to as a “task” or “job”.
Operating System Overview
Definition An operating system, or OS, is just a software that abstracts and arbitrates the underlying hardware components in computer systems.