1. A method for fast starting an application in an operating system, the method comprising: starting one or more applications in suspend mode during a boot up sequence of the operating system; adding the one or more applications to a suspended list; monitoring a plurality of application programming interface (API) calls made from the application layer to one or more graphic rendering modules; and processing the plurality of API calls to the one or more graphic rendering modules based on whether each API call belongs to an application on the suspended list.