Boot Linux system boot sequence

Linux system boot sequence of
loading the BIOS-> read MBR-> Boot Loader-> load the kernel -> User layer init inittab file to set an operating system
level (typically 3 or
5,3-line multi-user command, 5 the interface) -> init process execution rc.syninit-> boot kernel modules -> perform different levels of running feet
of the program -> execute /etc/rc.d/rc.local (running locally service) -> execute / bin / login, you can log in