---
title: "Discussion on \"What Are System Calls?\" | Hashnode"
description: "Discussion on \"What Are System Calls?\". Learn what system calls are, why applications need them, how they interact with the kernel, and the major types of system calls."
url: "https://hashnode.com/posts/what-are-system-calls/6a8c10a370d2cc82b6dd12ec"
---

[Feed](https://hashnode.com/feed) /

Discussion

# [What Are System Calls?](https://sagunwrites.hashnode.dev/what-are-system-calls?utm_source=hashnode&utm_medium=feed)

Learn what system calls are, why applications need them, how they interact with the kernel, and the major types of system calls.

Aug 24 · 4 min read · sagunwrites.hashnode.dev  
Read the article

-   [#system-calls](https://hashnode.com/tag/system-calls)
-   [#operating-system](https://hashnode.com/tag/operating-system)
-   [#kernel](https://hashnode.com/tag/kernel)
-   [#user-mode](https://hashnode.com/tag/user-mode)
-   [#kernel-mode](https://hashnode.com/tag/kernel-mode)
-   [#process-management](https://hashnode.com/tag/process-management)
-   [#linux](https://hashnode.com/tag/linux)
-   [#computer-science](https://hashnode.com/tag/computer-science)

## Written by

[Sagun](https://hashnode.com/@sagun-labs)

@sagun-labs · Mumbai, India

  
[View profile](https://hashnode.com/@sagun-labs)

Computer Science Student & Technical Writer

Computer Science student focused on systems programming, Linux, cybersecurity, and software development. I write technical articles and build projects to deepen my understanding of computer systems while documenting my learning journey.

## Responses

Markdown supported · ⌘↵ to post

No responses yet.