GNU/Linux Booting Sequence
21
Nov
BIOS - GRUB - KERNEL - INIT GRUB reads booting menu;
If the chosen partition is /dev/sdx it loads the kernel from /boot KERNEL detects the hardware mounts /dev/sdx on / and finds INIT (/sbin/init) which reads /etc/inittab to get into desired runlevel
(1 - single user, 3 - many users, non-graphical, 5 - many user graphical enviroment),
mounts file systems /etc/fstab and configures system with files found in /etc/rc.d.