Question 1

Which of the following commands enables the setuid (suid) permission on the executable called /bin/foo?

Options :

A : chmod 1755 /bin/foo

B : chmod 4755 /bin/foo

C : chown u-s /bin/foo

D : chmod 755+s /bin/foo

Answer: B

Question 2

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 3

When you start XWindows, which series of programs and/or scripts would most closely describe the start-up process?

Options :

A : xdm --> xinit --> xinitrc --> Xclients

B : kde --> xinitrc --> xinit --> Xclients

C : startx --> xinitrc --> Xclients --> kde

D : startx --> xinit --> xinitrc --> Xclients

E : startx-->xinit-->Xclients-->xinitrc

Answer: D

Question 4

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

Question 5

In the vi editor, which of the following commands will copy the current line into the vi buffer?

Options :

A : c

B : cc

C : 1c

D : yy

E : 1y

Answer: D

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