Abstract: Cloud used as a standalone operating system, where the hardware required is relatively low. Cloud OS manages the user account and the Cloud OS include simple Text editor, Paint application, spreadsheet and a presentation viewer that we usually use in daily life. It also includes Calendar, Contacts manager, and simple games. The Web OS is also used for Remote application management. An OS provide an interface for user’s to manage the applications running on the system. Cloud computing is the technology that helps in reducing the usage of time, cost and resources which is now-a-days used widely by the companies. There are several cloud approaches to store data files and synchronize file versions.

Keywords: Cloud OS, GUI Interface, Chrome OS, Virtual Desktop, SaaS, PaaS, IaaS.