Question 1

Given a file called birthdays containing lines like:

YYYY-MM-DD Name

1983-06-02 Tim

1995-12-17 Sue

Which command would you use to output the lines belonging to all people listed whose

birthday is in May or June?

Options :

A : grep '[56]' birthdays

B : grep 05?6? birthdays

C : grep '[0-9]*-0[56]-' birthdays

D : grep 06 birthdays | grep 05

Answer: C

Question 2

Each entry in a crontab must end with what character?

Options :

A : Tab

B : Space

C : Backslash

D : Newline

Answer: D

Question 3

Which of the following commands will send output from the program myapp to both

standard output (stdout) and the file file1.log?

Options :

A : cat < myapp | cat> file1.log

B : myapp 0>&1 | cat > file1.log

C : myapp | cat > file1.log

D : myapp | teefile1.log

E : tee myapp file1.log

Answer: D

Question 4

How is a display manager started?

Options :

A :

It is started by a user using the command startx.

B : It is started like any other system service by the init system.

C : It is started by inetd when a remote hosts connects to the X11 port.

D : It is started automatically when a X11 user logs in to the system console.

Answer: B

Question 5

Which of the following are valid stream redirection operators within Bash? (Choose THREE

correct answers.)

Options :

A : <

B : <<<

C : >

D : >>>

E : %>

Answer: A,B,C

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