Names of Operating Systems: A Simple & Complete Guide

Published: 2 Feb 2026

If you’ve ever asked yourself, “What is the name of the operating system on my device?” or wondered how many operating systems exist, you’re not alone. Operating systems power everything we use—from laptops and phones to servers and smart devices.

This guide explains the names of operating systems in a clear, simple way, while also helping you understand what each OS is used for and why it matters.

What Is an Operating System?

what is an operating system

An operating system (OS) is the main software that runs a device. It acts as a bridge between hardware (CPU, memory, storage) and software (apps, browsers, games).

Without an operating system, a computer or phone cannot function.

What an Operating System Does

  • Manages memory and processor usage
  • Controls input and output devices
  • Runs applications and programs
  • Manages files and storage
  • Protects data and system security

Names of Operating Systems (Most Common Examples)

Below are the most widely used operating system names across the world today.

Desktop & Laptop Operating Systems

  • Microsoft Windows
  • macOS
  • Linux

Mobile Operating Systems

  • Android
  • iOS

Server & Enterprise Operating Systems

  • Linux (Ubuntu, Red Hat, Debian)
  • Windows Server
  • UNIX

List of Operating System Names by Category

list of operating system names by category

This section makes it easy to scan and understand.

Names of Operating Systems for Computers

These operating systems are used on desktops and laptops.

  • Windows 11
  • Windows 10
  • macOS
  • Linux (Ubuntu, Fedora, Mint)

Best for:

  • Work, study, programming, gaming, and general use

Names of Operating Systems for Mobile Devices

Mobile operating systems are designed for smartphones and tablets.

  • Android
  • iOS
  • HarmonyOS
  • KaiOS

Best for:

  • Touchscreen devices, apps, smart features, portability

Names of Operating Systems for Servers

Server operating systems handle websites, databases, and cloud platforms.

Common Server OS Names

  • Linux
  • Windows Server
  • UNIX
  • Red Hat Enterprise Linux (RHEL)

Best for:

  • High performance, security, scalability, uptime

Types of Operating Systems (With Examples)

types of operating system

Many competitor articles list OS names but skip types. Here’s a clear breakdown.

1. Single-User Operating System

  • Example: MS-DOS

2. Multi-User Operating System

  • Example: UNIX, Linux

3. Multitasking Operating System

  • Example: Windows, macOS

4. Real-Time Operating System (RTOS)

  • Example: VxWorks, FreeRTOS

5. Mobile Operating System

  • Example: Android, iOS

Names of Operating Systems by Company

Microsoft

  • Windows 7
  • Windows 8
  • Windows 10
  • Windows 11
  • Windows Server

Apple

  • macOS
  • iOS
  • iPadOS
  • watchOS
  • tvOS

Google

  • Android
  • ChromeOS
  • Wear OS
  • Fuchsia

Linux Community

  • Ubuntu
  • Fedora
  • Debian
  • Arch Linux
  • Red Hat

Based on global usage:

  • Windows – most used desktop OS
  • Android – most used mobile OS
  • iOS – second most used mobile OS
  • macOS – popular among professionals
  • Linux – dominant in servers and cloud

How to Choose the Right Operating System

This is a key value section competitors often miss.

Choose Based On:

  • Device type (PC, phone, server)
  • Ease of use
  • Software compatibility
  • Security needs
  • Cost
  • Performance requirements

Quick Guide

  • For beginners → Windows / macOS
  • For developers → Linux
  • For smartphones → Android / iOS
  • For servers → Linux / UNIX

Frequently Asked Questions

What is the name of operating system used in computers?

Common names include Windows, macOS, and Linux.

How many operating systems exist?

There are hundreds of operating systems, including historical, modern, embedded, and research OS.

Is Android an operating system?

Yes. Android is a mobile operating system based on the Linux kernel.

What is the name of operating system used in a smartphone?

The most common smartphone operating systems are Android and iOS.

Can an operating system be changed?

Yes, in many devices you can replace or install a different operating system, depending on hardware compatibility and manufacturer restrictions.

Final Thoughts

Understanding the names of operating systems helps you make smarter decisions about the devices you use every day. From powerful desktops and smartphones to servers and embedded systems, operating systems quietly run the digital world.

By knowing what each OS does, where it’s used, and how it differs, you’re better equipped to choose the right technology for your needs—now and in the future.

Ella Grace Avatar
Ella Grace
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