Examples of operating system in the market today?

1. Windows 10
2. macOS
3. Linux (Ubuntu, Fedora, CentOS, etc.)
4. Android
5. iOS
6. Chrome OS
7. Windows Server
8. FreeBSD
9. OpenBSD
10. Solaris

Desktop Operating Systems:

- Microsoft Windows: Windows 10, Windows 11
- Apple macOS: macOS Ventura, macOS Monterey
- Linux distributions: Ubuntu, Fedora, Mint, Debian, Arch Linux

Mobile Operating Systems:

- Apple iOS: iOS 16, iOS 15
- Google Android: Android 13, Android 12
- Microsoft Windows Phone: Discontinued

Embedded Operating Systems (for devices like IoT and smart home):

- FreeRTOS: Open-source, lightweight
- uC/OS-III: Real-time operating system
- VxWorks: Industrial-grade operating system

Server Operating Systems:

- Microsoft Windows Server: Windows Server 2022, Windows Server 2019
- Linux distributions: CentOS, Red Hat Enterprise Linux, SUSE Linux Enterprise Server
- Unix variants: Solaris, IBM AIX, HP-UX

Specialized Operating Systems:

- Chrome OS: Web-based operating system for Chromebooks
- Embedded Linux: Linux distributions optimized for embedded systems
- RTOS: Real-time operating systems designed for time-sensitive applications
- Hypervisors: Operating systems that manage virtual machines (e.g., VMware ESXi, Microsoft Hyper-V, KVM)