A Bootstrap is the process in which all the computer and electronic devices are run at Start-up time and it also called a root node of Operating System. It also refers to the program which initializes the operating system during start-up and referred to a Bootstrap load button that was used to initiate a hardwired Bootstrap program or smaller program which is responsible for executed a larger program such as the OS. Bootstrap is starting small and loading programs one at a time while each program is connected to the next program to be executed in sequence. Bootstrap is the process of loading a set of instructions when a computer is first turned on or booted. It is just like a BIOS of computer which responsible for to checking first Operating System Loading files.