Processes and Threads: What They Are, Where They Came From and How They Work

Tue, 20 Oct 2026 15:30:00 +0000

What Is an Operating System? introduced processes and threads in a few paragraphs, and What Is a Processor? showed the hardware they run on. This article gives them the space they deserve. Almost every question about how a program behaves when it does more than one thing at a time, from “why did my server run out of memory?” to “why does this counter come out wrong?”, comes down to the difference between a process and a thread.

Concurrency on Artur Rios Lab

Processes and Threads: What They Are, Where They Came From and How They Work