Lpi LPI Other Certification 101-500 Questions & Answers

• Question 1:

  Which wildcards will match the following filenames? (Choose two.) ttyS0 ttyS1 ttyS2

  A. ttyS[1-5]

  B. tty?[0-5]

  C. tty*2

  D. tty[A-Z][012]

  E. tty[Ss][02]

  Correct Answer: BD

• Question 2:

  Which of the following commands redirects the output of ls to standard error?

  A. ls >-1

  B. ls <

  C. ls >and2

  D. ls >>2

  E. ls |error

  Correct Answer: C

• Question 3:

  What is true regarding the command ls > files if files does not exist?

  A. The output of ls is printed to the terminal

  B. files is created and contains the output of ls

  C. An error message is shown and ls is not executed

  D. The command files is executed and receives the output of ls

  E. Any output of ls is discarded

  Correct Answer: B

• Question 4:

  Which of the following files, located in a user's home directory, contains the Bash history?

  A. .bashrc_history

  B. .bash_histfile

  C. .history

  D. .bash_history

  E. .history_bash

  Correct Answer: B

• Question 5:

  Which of the following commands displays the path to the executable file that would be executed when the command foo is invoked?

  A. lsattr foo

  B. apropos foo

  C. locate foo

  D. whatis foo

  E. which foo

  Correct Answer: A

• Question 6:

  When redirecting the output of find to the xargs command, what option to find is useful if the filenames contain spaces?

  A. ep-space

  B. -printnul

  C. -nospace

  D. gnore-space

  E. rint0

  Correct Answer: E

• Question 7:

  Which command must be entered before exiting vi to save the current file as filea.txt?

  A. %s filea.txt

  B. %w filea.txt

  C. :save filea.txt

  D. :w filea.txt

  E. :s filea.txt

  Correct Answer: D

• Question 8:

  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?

  A. foo | less /tmp/foodata

  B. foo | cp /tmp/foodata

  C. foo > /tmp/foodata

  D. foo | tee /tmp/foodata

  E. foo > stdout >> /tmp/foodata

  Correct Answer: D

• Question 9:

  What output will be displayed when the user fred executes the following command? echo `fred $USER'

  A. fred fred

  B. fred /home/fred/

  C. `fred $USER'

  D. fred $USER

  E. `fred fred'

  Correct Answer: A

• Question 10:

  Which of the following commands changes all CR-LF line breaks in the text file userlist.txt to Linux standard LF line breaks and stores the result in newlist.txt?

  A. tr `\r' < userlist.txt > newlist.txt

  B. tr `\n\r' `' userlist.txt

  C. tr `\r\n' `' newlist.txt

  D. tr `\r' `\n' userlist.txt newlist.txt

  E. tr `/^M/^J/' userlist.txt newlist.txt

  Correct Answer: A