Question 1

After modifying GRUB's configuration file, what command should you run for the changes to take effect?

Options :

A : kill HUP `pidof grub`

B : grubinstall

C : grub

D : no action is required

Answer: D

Question 2

Which chown command will change the ownership to foo and the group to bar on a file named biglist?

Options :

A : chown foo/bar biglist

B : chown -u foo -g bar biglist

C : chown foo:bar biglist

D : chown --user foo --group bar biglist

Answer: C

Question 3

During a system boot cycle, what is the program that is run after the BIOS completes its tasks?

Options :

A : The bootloader

B : The inetd program

C : The init program

D : The kernel

Answer: A

Question 4

Once a shell variable has been created, how can the variable be removed from the environment?

Options :

A : VAR=

B : set -d VAR

C : set -u VAR

D : unset VAR

Answer: D

Question 5

Which of the following commands would display the lines containing capital letters form the file 'turkey.txt'?

Options :

A : cat turkey.txt|wc -|

B : grep -n [A-Z] turkey.txt

C : cat turkey.txt|wc -w [A-Z]

D : grep -v [A-Z] < turkey.txt

E : for [A-Z] in turkey.txt | count

Answer: B