Mobile operating system software of its own. MIUI for POCO is a custom mobile operating system that is based on MIUI, which itself was based onAndroid "Open Source Project (AOSP)". Just like it predecessor, it also develop by Xiaomi Inc. Unlike the original MIUI, MIUI for POCO was specifically customized for their Poco series smartphone, including difference UI and more frequent update compare to the original MIUI. Just like MIUI which is based on open source AOSP, MIUI for POCO also consists of closed source and proprietary software of its own. OxygenOS is based on the open source Android Open Source Project (AOSP)
Operating system However, Windows' usage on servers is not as widespread as on personal computers as Windows competes against Linux and BSD for server market share. ReactOS is a Windows-alternative operating system, which is being developed on the principles of Windows without using any of Microsoft's code. There have been many operating systems that were significant in their day but are no longer so, such as AmigaOS; OS/2 from IBM and Microsoft; classic Mac OS, the non-Unix precursor to Apple's macOS; BeOS; XTS-300; RISC OS; MorphOS; Haiku; BareMetal and FreeMint. Some are still used in niche markets and continue to be developed