Operating systems (OS) manage computer hardware and software, acting as an intermediary between applications and the hardware. As of late 2025, Android holds the highest market share (38%), followed by Windows (33%), iOS/iPadOS (15%), macOS (4%), and Linux (1%).
Microsoft Windows: Released in 1985, this is the most popular desktop OS, known for high compatibility with various PC brands and extensive software support, including gaming. It is user-friendly but can be resource-intensive and prone to malware.
macOS: Developed by Apple, this OS runs exclusively on Mac hardware, offering high stability, smooth performance, and strong integration with Apple devices. It is popular among creative professionals but requires expensive hardware.
Linux: Created in 1991, this is a free, open-source family of operating systems (distributions like Ubuntu, Fedora, Debian) that are highly flexible, secure, and lightweight. It dominates the server and supercomputing industries.
Android: Developed by Google, this open-source mobile OS is used by a wide variety of smartphone brands (e.g., Samsung). It allows for heavy customization and features a vast app store, though it can suffer from inconsistent updates across different devices.
iOS/iPadOS: Apple’s mobile OS is known for high security, consistent yearly updates, and a curated app store. It is more restrictive than Android in terms of customization and file management.
Chrome OS: A lightweight, cloud-focused OS from Google, designed for fast booting and browsing on affordable Chromebooks. It is highly secure but relies heavily on an internet connection.
UNIX & BSD: Dating back to the 1960s/70s, Unix systems are known for stability and high-end computing, while BSD (Berkeley Software Distribution) is often used for networking and servers, with versions like FreeBSD and NetBSD powering systems like Netflix.
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