Question 1

Which of the following commands reboots the system when using SysV init? (Choose TWO correct answers.)

Options :

A : shutdown -r now

B : shutdown -r "rebooting"

C : telinit 6

D : telinit 0

E : shutdown -k now "rebooting"

Answer: A,C

Question 2

Which of the following commands displays the output of the foo command on the screen and also writes it to a

file called /tmp/foodata?

Options :

A : foo | less /tmp/foodata

B : foo | cp /tmp/foodata

C : foo > /tmp/foodata

D : foo | tee /tmp/foodata

E : foo > stdout >> /tmp/foodata

Answer: D

Question 3

What does the ? symbol within regular expressions represent?

Options :

A : Match the preceding qualifier one or more times.

B : Match the preceding qualifier zero or more times.

C : Match the preceding qualifier zero or one times.

D : Match a literal ?character.

Answer: C

Question 4

Which of the following commands set the sticky bit for the directory /tmp? (Choose TWO correct answers.)

Options :

A : chmod +s /tmp

B : chmod +t /tmp

C : chmod 1775 /tmp

D : chmod 4775 /tmp

E : chmod 2775 /tmp

Answer: B,C

Question 5

Which of the following are valid stream redirection operators within Bash? (Choose THREE correct answers.)

Options :

A : <

B : <<<

C : >

D : >>>

E : V

Answer: A,B,C

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