tvOS is the operating system developed by Apple specifically for the Apple TV digital media player. It is based on iOS and shares many similarities with its mobile counterpart. tvOS provides a user-friendly interface optimized for the TV screen, allowing users to access various streaming services, apps, games, and other media content on their Apple TV. It supports features such as Siri voice control, Apple Music, AirPlay for streaming content from other Apple devices, and integration with HomeKit for smart home control. With tvOS, users can transform their television into an entertainment hub, enjoying a wide range of content and experiences on the big screen.