---
title: "Discussion on \"[OS Scheduler Practice ①] FCFS Algorithm\" | Hashnode"
description: "Discussion on \"[OS Scheduler Practice ①] FCFS Algorithm\". FCFS Algorithm — First Come, First Served\nWhen multiple processes are waiting to use the CPU, how should the OS decide who goes first?That’s where CPU scheduling comes into play — and the simplest algorithm among them is FCFS (First Come, First Serve..."
url: "https://hashnode.com/posts/os-scheduler-practice-fcfs-algorithm/68ea07991144ff96f89aee61"
---

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# [\[OS Scheduler Practice ①\] FCFS Algorithm](https://psk-study.hashnode.dev/os-scheduler-practice-fcfs-algorithm?utm_source=hashnode&utm_medium=feed)

FCFS Algorithm — First Come, First Served When multiple processes are waiting to use the CPU, how should the OS decide who goes first?That’s where CPU scheduling comes into play — and the simplest algorithm among them is FCFS (First Come, First Serve...

Oct 11, 2025 · 4 min read · psk-study.hashnode.dev  
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-   [#scheduling](https://hashnode.com/tag/scheduling)
-   [#fcfs](https://hashnode.com/tag/fcfs)

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