Lpi LPI Linux Essentials 010-100 Questions & Answers

• Question 31:

  Which criteria are useful when deciding which operating system to use? (Select THREE answers)

  A. License costs.

  B. Ideological preferences of the system administrator.

  C. Linux can do everything, there is no need for further evaluation.

  D. Availability of mandatory applications and tools.

  E. Skills of the administrators and staff.

  Correct Answer: ADE

• Question 32:

  Which command will display running process information in real time?

  A. top

  B. show current

  C. ps current

  D. process

  Correct Answer: A

• Question 33:

  Which of the following commands will create an archive file, named backup.tar, containing all the files from the directory /home?

  A. tar /home backup.tar

  B. tar -cf /home backup.tar

  C. tar -xf /home backup.tar

  D. tar -xf backup.tar /home

  E. tar -cf backup.tar /home

  Correct Answer: E

• Question 34:

  Which of the following commands will set the variable text to olaf is home?(Choose two)

  A. text=olaf\ is\ home

  B. text=$olaf is home

  C. $text='olaf is home'

  D. text=='olaf is home'

  E. text="olaf is home"

  Correct Answer: AE

• Question 35:

  Given a file called birthdays containing lines like: YYYY-MM-DD Name 1983-06-02 Tim 1995-12-17 Sue Whichcommand would you use to output the lines belonging to all people listed whose birthday is in May or June?

  A. grep '[56]' birthdays

  B. grep 05?6? birthdays

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

  D. grep 06 birthdays | grep 05

  Correct Answer: C

• Question 36:

  What is the output of the following command sequence?

  for token in a b c; do

  echo -n "$token ";

  done

  A. anbncn

  B. a b c

  C. "a " "b " "c "

  D. token token token

  E. abc

  Correct Answer: B

• Question 37:

  Which character starts a comment line in a shell script file?

  A. ;

  B. *

  C. #

  D. /

  Correct Answer: C

• Question 38:

  Which command chain will count the number of regular files with the name of foo.txt within /home?

  A. ls -lR /home | grep foo.txt | wc -l

  B. find /home -type f -name foo.txt | wc -l

  C. find /home -name foo.txt -count

  D. find /home -name foo.txt | wc -l

  E. grep -R foo.txt /home | wc -l

  Correct Answer: B

• Question 39:

  Which of the following command sequences overwrites the file foobar.txt?

  A. echo "QUIDQUIDAGIS" >> foobar.txt

  B. echo "QUIDQUIDAGIS" < foobar.txt

  C. echo "QUIDQUIDAGIS" > foobar.txt

  D. echo "QUIDQUIDAGIS" | foobar.txt

  Correct Answer: C

• Question 40:

  Which of the following commands can be used to extract content from a tar file?

  A. tar -xvf

  B. tar -vf

  C. tar -e

  D. tar -c

  E. tar -v

  Correct Answer: A