1. Load the BIOS
2. Read MBR
3.Boot Loader (boot loader)
4. Loading the kernel
5. Set the operating level according to the Inittab file
0: Turn off the machine
1: Single-user mode
2: Multi-user mode with no network support
3: Multi-user mode with network support
4: reserved, not used
5: Multi-user mode with network support with X-window support
6: Reboot the system, that is, restart
6.init Process Execution Rc.sysinit
Set path, set network configuration (/etc/sysconfig/network), start swap partition, set/proc
7. Boot the kernel module
8. Executing scripts for different run levels
Rc.0~rc.6
9. Executive/etc/rc.d/rc.local
/etc/rc.local is a soft link to/etc/rc.d/rc.local
--The following is the contents of this script
# This script is executed *after* all and the other init scripts.
# can put your own initialization stuff in here if you don ' t
# want to does the full Sys V style init stuff.
10. Executive/etc/login
This article from the "It Learning Notes" blog, declined reprint!
Linux Boot Sequence