Lpi LPI Other Certification 010-160 Questions & Answers

• Question 11:

  Which of the following commands creates the ZIP archive poems.zip containing all files in the current directory whose names end in .txt?

  A. zip *.txt > poems.zip

  B. zcat *.txt poems.zip

  C. zip poems.zip *.txt

  D. zip cfz poems.zip *.txt

  E. cat *.txt | zip poems.zip

  Correct Answer: C

• Question 12:

  What is the return value of a shell script after successful execution?

  A. 1

  B. 0

  C. -1

  D. -255

  E. 255

  Correct Answer: B

• Question 13:

  The file script.sh in the current directory contains the following content:

  #!/bin/bash echo $MYVAR

  The following commands are used to execute this script:

  MYVAR=value ./script.sh

  The result is an empty line instead of the content of the variable MYVAR. How should MYVAR be set in order to make script.sh display the content of MYVAR?

  A. !MYVAR=value

  B. env MYVAR=value

  C. MYVAR=value

  D. $MYVAR=value

  E. export MYVAR=value

  Correct Answer: E

• Question 14:

  Which operator in a regular expression matches the preceding character either zero or one time?

  A. ?

  B. *

  C. +

  D. %

  E. $

  Correct Answer: A

• Question 15:

  Which of the following examples shows the general structure of a for loop in a shell script?

  A. for *.txt as file => echo $file

  B. for *.txt ( echo $i )

  C. for file in *.txt do

  echo $i

  done

  D. for ls *.txt exec {} \;

  E. foreach @{file} { echo $i }

  Correct Answer: C

• Question 16:

  Which command copies the contents of the directory /etc/, including all sub-directories, to /root/?

  A. copy /etc /root

  B. cp -r /etc/* /root

  C. cp -v /etc/* /root

  D. rcp /etc/* /root

  E. cp -R /etc/*.* /root

  Correct Answer: B

• Question 17:

  Which of the following commands puts the lines of the file data.csv into alphabetical order?

  A. a..z data.csv

  B. sort data.csv

  C. abc data.csv

  D. wc -s data.csv

  E. grep --sort data.csv

  Correct Answer: B

• Question 18:

  Which of the following commands sets the variable USERNAME to the value bob?

  A. set USERNAME bob

  B. $USERNAME==bob

  C. var USERNAME=bob

  D. USERNAME<=bob

  E. USERNAME=bob

  Correct Answer: E

• Question 19:

  What is the purpose of the PATH environment variable?

  A. It allows the execution of commands without the need to know the location of the executable.

  B. It increases security by preventing commands from running in certain locations.

  C. It specifies the location of a user's home directory.

  D. It indicates the location of the default shell to be used when a user logs in.

  E. It contains the absolute path to the current directory.

  Correct Answer: A

• Question 20:

  Which command displays file names only and no additional information?

  A. ls -a

  B. ls -lh

  C. ls -l

  D. ls -alh

  E. ls -nl

  Correct Answer: A