1. Describe the startup process of the linux system from boot to login interface:
answer:
Brief description:
1. Boot BIOS self-test
2. MBR boot
3. grub boot menu
4. Load the kernel kernel
5. Start the init process
6. Read the inittab file and execute scripts such as rc.sysinit and rc
7. Start mingetty and enter the system login interface
Here's a sketch:
