Abstract: A booting method of a multimedia device and the multimedia device are provided. The multimedia device includes a storage media, and the booting method of the multimedia device includes following steps. After the multimedia device is powered on, a boot loader is executed to initialize a plurality of primary components of the multimedia device. A snapshot information is read from the storage media, wherein the snapshot information includes a plurality of state information of an operating system (OS) and a plurality of applications of the multimedia device. The snapshot information is loaded into the multimedia device to allow the multimedia device to run the OS and the applications. Thereby, the number of booting steps of the multimedia device is reduced, and the booting time of the multimedia device is effectively shortened.

Abstract: A software execution method is provided. The software execution method includes the following steps. An operating system kernel is started, which is commonly used by a first operating system and a second operating system. One or more driver modules is loaded into the kernel of the first operating system. Under a root of one of the first and the second operating systems, the one of the first and the second operating systems can start to be performed. A procedure is forked to chroot a root of the other one of the first and second operating systems. Under the root of the other one of the first and the second operating systems, the other one of the first and the second operating systems can start to be performed. An electronic device using the same is also provided.