Boot Process, Init, and Shutdown
F.1. The Boot Process
- The system BIOS checks the system and launches the first stage boot loader on the MBR of the primary hard disk.
- The first stage boot loader loads itself into memory and launches the second stage boot loader from the
- The second stage boot loader loads the kernel into memory, which in turn loads any necessary modules and mounts the root partition read-only.
- The kernel transfers control of the boot process to the
/sbin/initprogram loads all services and user-space tools, and mounts all partitions listed in
- The user is presented with a login screen for the freshly booted Linux system.