CCommunity
- Android - It is a mobile operating system. It is a modified version of LINUX. It was developed by Google.
- BADA – It is also a mobile operating system. It was developed by SAMSUNG Electronics.
- DOS – DOS is a computer operating system that can run from a hard disk drive.
- Symbian – It is also a mobile operating system. It was developed by Symbian Ltd.
Hence DOS is the ODD ONE OUT