12. Booting

12.1. LiveCD

12.1.1. RamFS

12.2. GRUB

12.2.1. Kernel

12.2.2. Initramfs

12.2.3. Splashscreen

12.2.4. Multiple OSes

12.2.5. Hard disk naming convention

12.3. Services and Daemons

12.3.1. /etc/rc.d

12.3.2. /etc/init.d/

12.3.3. Systemd

12.3.4. System-V

12.3.5. Init-d

12.3.6. service (start | stop)

12.3.7. servicectl (start | stop)