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Best Operating System

The operating system (OS) allows users to perform the basic functions of a computer. The OS manages all software and peripheral hardware, and accesses the central processing unit (CPU) for memory or storage purposes. It also makes it possible for a system to simultaneously run applications. All PCs, laptops, tablets, smartphones, and servers require an OS. Developers may use specific operating systems that are more conducive to programming and application development, while the average employee will likely use a proprietary system for more common, everyday usage. The most common operating systems are Microsoft’s Windows, Apple’s OS X, Linux distributions, and mobile operating systems for smartphones.

Windows 7 vs Windows 10

Android vs iOS

Ubuntu vs. Linux

Mac vs Windows 10

Windows 8 vs Windows 10

Ubuntu vs Windows 10

Linux vs. Windows 10

Windows Phone vs. Android

Windows 10 vs. Linux

Mac vs. Linux

Windows 10 vs. macOS Sierra

To qualify for inclusion in the Operating System category, a product must:

  • Manage a device’s software and external hardware
  • Allow for simultaneous use of applications
  • Connect with the central processing unit for memory and storage allocation
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Operating System reviews by real, verified users. Find unbiased ratings on user satisfaction, features, and price based on the most reviews available anywhere.

Compare Operating System
Results: 85
    G2 Crowd takes pride in showing unbiased ratings on user satisfaction. G2 Crowd does not allow for paid placement in any of our ratings.
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    Windows 10 is familiar and easy to use, with lots of similarities to Windows 7 including the Start menu. It starts up and resumes fast, has more built-in security to help keep you safe, and is designed to work with software and hardware you already have.


    An advanced mobile operating system. With its easy-to-use interface, amazing features, and rock solid stability, iOS is the foundation of iPhone. And even as others try to catch up, the technologies and features built into iOS keep iPhone years ahead.


    Super-fast, easy to use and free, the Ubuntu operating system powers millions of desktops, netbooks and servers around the world.


    Android is the a globally popular mobile platform. With Android you can use all Google apps, plus thousands of apps and games are available on Google Play.


    macOS Sierra helps you rediscover your best photos, shop fast and conveniently online, and work between devices. It can also help free up storage space.


    OS X El Capitan gives you simpler, smarter ways to do the things you do most with your Mac. Like working in multiple apps at the same time using Split View.


    Windows 7 is your PC simplified. Enjoy your media wherever you want, stay productive with the smart new desktop, get creative with Windows Live Photo Gallery.


    CentOS is an Enterprise-class Linux Distribution derived from sources freely provided to the public by a prominent North American Enterprise Linux vendor.


    Fedora is a Linux-based operating system, a collection of software that makes your computer run.


    openSUSE is a free and Linux-based operating system for your PC, Laptop or Server. You can surf the web, manage your e-mails and photos, do office work, play videos or music and have a lot of fun!


    OS X Mountain Lion is Apple's best OS yet. Because all these new features add up to one amazing experience on your Mac. And every device you use.


    Open source platform for mission-critical computing


    Windows reimagined and reinvented from a solid core of Windows 7 speed and reliability. It's an all-new touch interface. It's a new Windows 8 for new devices.


    Chomium is an open-source project that aims to build an operating system that provides a fast, simple, and more secure computing experience for people who spend most of their time on the web.


    Linux Mint produces a modern, elegant and comfortable operating system which is both powerful and easy to use.


    Oracle Linux brings the latest Linux innovations to market, delivering extreme performance, advanced scalability, and reliability for enterprise applications and systems along with worldwide, enterprise-class, low-cost support. Optimized for enterprise workloads, Oracle Linux is the only operating system to offer zero-downtime updates.


    Xfce is a desktop environment for UNIX like operating systems that embodies modularity and re-usability with components to provide functionality of a modern desktop environment.


    An elegant design that feels entirely fresh, yet inherently familiar. The apps you use every day, enhanced with new features. And a completely new relationship between your Mac and iOS devices. OS X Yosemite will change how you see your Mac. And what you can do with it.


    Arch Linux is a lightweight and flexible Linux distribution that tries to keep it simple.Currently It has official packages optimized for the x86-64 architecture


    Whether you want premium features and performance at a good price or a powerhouse of productivity that fits in your pocket, there's a Windows phone thatĂŤs perfect for you.


    With more than 200 new features, OS X Mavericks brings iBooks and Maps to the Mac, includes a new version of Safari, enhances multi-display support, introduces Finder Tabs and Tags and delivers new core technologies for breakthrough power efficiency and performance.


    deepin is a Linux distribution committed to providing an elegant, user-friendly, safe and stable operating system for users all over the world.


    Lubuntu is a fast and lightweight operating system. The core of the system is based on Linux and Ubuntu that uses the minimal desktop LXDE, and a selection of light applications.


    Raspbian is a free operating system based on Debian optimized for the Raspberry Pi hardware.


    Debian is an operating system is the set of basic programs and utilities that make your computer run , at the core of an operating system is the kernel.


    Ubuntu’s unique scopes brings everything you need to one screen without the need to open and switch between multiple apps.The Ubuntu Phone has been built to revolve around you and the content and services you use the most.


    Xubuntu is a community developed operating system that combines elegance and ease of use.


    BlackBerry revolutionized the mobile industry. Today, BlackBerry aims to inspire the success of our millions of customers around the world by continuously pushing the boundaries of mobile experiences.


    Streamline your operations with the right UNIX computing environment. HP-UX is a highly integrated UNIX operating system built on the always-on resiliency of mission-critical HPE Integrity servers to give you a dynamic, secure, and unified environment.


    Oracle Solaris 11.2 is a complete, integrated platform, combining OpenStack, software-defined networking, and built-in virtualization with a proven enterprise-class operating system.


    Tails is a live operating system that you can start on almost any computer from a USB stick or a DVD.It aims at preserving your privacy and anonymity.


    BlackArch Linux is an Arch Linux-based penetration testing distribution for penetration testers and security researchers.


    CoreOS provide a software that securely run application containers anywhere.


    LXLE is based on Lubuntu which is an Ubuntu OS using the LXDE desktop environment. It is designed to be a drop-in and go OS, primarily for aging computers.


    Black Lab Linux is based on Ubuntu Linux tailored both for general desktop use and for the more technical user. It is commercially made available by PC/OpenSystems LLC for business desktops, education facilities, as well as parallel computing.


    Bodhi is a whole suite of libraries to help you create beautiful user interfaces with much less work than doing it the old fashioned way and fighting with traditional toolkits, not to mention a traditional window manager.


    CIS Red Hat Enterprise Linux offers an objective, consensus-driven security guideline for the Red Hat Linux Operating Systems.


    CloudReady is an operating system designed to help organizations embrace cloud resources by enabling them to securely control and manage endpoints.


    GhostBSD is an operating system based on FreeBSD for home and office users.


    Kubuntu is designed to be a friendly Linux distro for laptops and desktops.


    LibreELEC is a lightweight Just enough OS Linux distribution purpose-built for Kodi on current and popular mediacentre hardware.


    Manjaro is a user-friendly Linux distribution based on the independently developed Arch operating system.


    Parrot Security (ParrotSec) is a Security GNU/Linux distribution designed for the Cyber-Security (InfoSec) field. It includes a full portable laboratory for security and digital forensics experts.


    Puppy Linux is a family of Linux distributions meant for the home-user computers.


    Remix OS gives you access to over 2+ million Android apps and games. Most are free and can be installed with a single click from any Android app store of your choice.


    Sabayon Linux provides a flexible and extendible Gentoo based operating system, designed for ease of use with access to advanced features, Sabayon aims to provide a bleeding edge OOTB desktop experience using the KISS approach.


    An independent, partner friendly operating system that fosters innovation. It's unlike what you're used to. But once you get the hang of the gesture based Sailfish OS, you'll never want to go back. The highly adaptive Sailfish OS contains Open Source Software building blocks, welcoming collaboration or simply, free-time hacking.


    Slackel is a Linux distribution based on Slackware and Salix. It is fully compatible with Slackware and Salix.


    Slackware Linux is an advanced Linux operating system, designed with the twin goals of ease of use and stability as top priorities,including the latest popular software while retaining a sense of tradition, providing simplicity and ease of use alongside flexibility and power,


    Slax is a modern, portable, small and fast Linux operating system with modular approach and outstanding design. It runs directly from your USB flash drive without installing, so you can carry it everywhere you go in your pocket.


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