101.2 Boot System (Boot Process -sysvinit - Power On to System Prompt)

Question 1

Boot Process: sysvinit

older but valid system and service management

Answer 1

sysvinit

Question 2

Boot Process: sysvinit

sysvinit is “_____” script driven

Answer 2

init

Question 3

Boot Process: sysvinit

Step 1: Power ON

Answer 3

power on

Question 4

Boot Process: sysvinit

Step 2: BIOS loads

Answer 4

modern systems include EFI

Question 5

Boot Process: sysvinit

Step 3: BIOS finds and hands off to the primary (or chosen)

Answer 5

boot sector

Question 6

Boot Process: sysvinit

Step 4 - Boot sector provides “____” within 512 bytes of active drive

Answer 6

Master Boot Record

Question 7

Boot Process: sysvinit

Step 5: Boot loader is

Answer 7

executed

Question 8

Boot Process: sysvinit

Step 6: LILO/GRUB/GRUB2

Answer 8

begins

Question 9

Boot Process: sysvinit

Step 7: depending on boot loader config the user may be able to choose from a menu of potential boot types/kernel version or allow the default to proceed

Answer 9

User Input

Question 10

Boot Process: sysvinit

Step 8: Linux kernel is read and

Answer 10

executed

Question 11

Boot Process: sysvinit

Step 9: device initialization, module loading, and the initial RAM disk is loaded

Answer 11

initrd

Question 12

Boot Process: sysvinit

Step 10: root filesystem

Answer 12

mounted

Question 13

Boot Process: sysvinit

Step 11: init program is loaded and becomes the first PID

Answer 13

/sbin/init

Question 14

Boot Process: sysvinit

Step 12: read and the appropriate run level scripts are read

Answer 14

/etc/inittab

Question 15

Boot Process: sysvinit

Step 12: Debian/Ubuntu

Answer 15

/etc/init.d/rc#

Question 16

Boot Process: sysvinit

Step 12: Red Hat/CentOS

Answer 16

/etc/rc.d/init.d/rc.sysinit

Question 17

Boot Process: sysvinit

Step 13: modules inidicated with init script are

Answer 17

loaded

Question 18

Boot Process: sysvinit

Step 14: root file system is

Answer 18

checked

Question 19

Boot Process: sysvinit

Step 15: remaining local filesystems

Answer 19

mounted

Question 20

Boot Process: sysvinit

Step 16: n/w devices

Answer 20

started

Question 21

Boot Process: sysvinit

Step 17: if configured, remote filesystems are

Answer 21

mounted

Question 22

Boot Process: sysvinit

Step 18: process re-reads and changes to the default runlevel indicated and executes the appropriate scripts

Answer 22

/etc/inittab

Question 23

Boot Process: sysvinit

Step 19: executed in numeriec order

Answer 23

runlevel scripts

Question 24

Boot Process: sysvinit

Step 20: tty sessions are loaded as listed in

Answer 24

/etc/inittab