aries Linux unit 5

Exam Bank: Linux Exam: Linux Essentials
# Question : 15
Essentials v3 V3.0 - Unit 5
1 What is a runlevel?



A way to control individual daemons

A way to manipulate BIOS

A set of rules determining which services are started/stopped

A set of rules determining who has superuser privileges

Objective: N/A

2 Where would one change boot devices?



BIOS

inittab

MBR

Bootloader

Objective: N/A

3 Where is the stage one bootloader located?



/boot

/

MBR

BIOS

Objective: N/A

4 What does the stage two bootloader do?



Run getty

Load BIOS

Run init

, Load the kernel

Objective: N/A

5 What is the first process started on a Linux system?



telinit

init

login

getty

Objective: N/A

6 If something goes wrong while booting, what command can one run to see any error
messages?


syslog

bmesg

dmesg

bootmesg

Objective: N/A

7 What is runlevel 0 for?



reboot

single user, no networking

default

halt

Objective: N/A

8 What would happen if the default runlevel was set to 6?



The system would reboot infinitely.