It seems like you might be referring to "Mobile Operating System", but if you meant something else by "bile operating system," please clarify.

Assuming you meant Mobile Operating System, here’s a quick overview:

A Mobile Operating System (Mobile OS) is software that allows smartphones, tablets, and other portable devices to run applications and manage hardware. It provides a platform for developers and a user interface for consumers.

Common Mobile Operating Systems:

  1. Android (by Google)

    • Open-source, based on Linux.

    • Most widely used OS globally.

    • Google Play Store is the primary app marketplace.

  2. iOS (by Apple)

    • Closed-source, exclusive to Apple devices (iPhones, iPads).

    • App Store is the only official source for apps.

  3. HarmonyOS (by Huawei)

    • Developed as an alternative to Android in China.

    • Aims to connect devices in an ecosystem (IoT).

  4. KaiOS

    • A lightweight OS for feature phones.

    • Based on the discontinued Firefox OS.

  5. Others (Less Common or Discontinued)

    • Windows Phone (discontinued)

    • BlackBerry OS (discontinued)

    • Tizen (used in some Samsung smartwatches and TVs)