CompTIA CompTIA Certifications LX0-103 Questions & Answers

• Question 51:

  Which variable defines the directories in which a Bash shell searches for executable commands?

  A. BASHEXEC

  B. BASHRC

  C. PATH

  D. EXECPATH

  E. PATHRC

  Correct Answer: C

• Question 52:

  Which of the following commands determines the type of a file by using a definition database file which contains information about all common file types?

  A. magic

  B. type

  C. file

  D. pmagic

  E. hash

  Correct Answer: C

• Question 53:

  Which of the following commands prints all files and directories within the /tmp directory or its subdirectories which are also owned by the user root? (Choose TWO correct answers.)

  A. find /tmp -uid root -print

  B. find -path /tmp -uid root

  C. find /tmp -user root -print

  D. find /tmp -user root

  E. find -path /tmp -user root print

  Correct Answer: CD

• Question 54:

  Which of the following commands will reduce all consecutive spaces down to a single space?

  A. tr '\s' ' ' < a.txt > b.txt

  B. tr -c ' ' < a.txt > b.txt

  C. tr -d ' ' < a.txt > b.txt

  D. tr -r ' ' '\n' < a.txt > b.txt

  E. tr -s ' ' < a.txt > b.txt

  Correct Answer: E

• Question 55:

  Which character, added to the end of a command, runs that command in the background as a child process of the current shell?

  A. !

  B. +

  C. and

  D. %

  E. #

  Correct Answer: C

• Question 56:

  Which of the following commands will print the last 10 lines of a text file to the standard output?

  A. cat -n 10 filename

  B. dump -n 10 filename

  C. head -n 10 filename

  D. tail -n 10 filename

  Correct Answer: D

• Question 57:

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

  B. cc

  C. 1c

  D. yy

  E. 1y

  Correct Answer: D

• Question 58:

  Which of the following sequences in the vi editor saves the opened document and exits the editor? (Choose TWO correct answers.)

  A. esc ZZ

  B. ctrl :w!

  C. esc zz

  D. esc :wq!

  E. ctrl XX

  Correct Answer: AD

• Question 59:

  When starting a program with the nice command without any additional parameters, which nice level is set for the resulting process?

  A. -10

  B. 0

  C. 10

  D. 20

  Correct Answer: C

• Question 60:

  Which of the following commands is used to change options and positional parameters for a running Bash?

  A. history

  B. set

  C. bashconf

  D. setsh

  E. envsetup

  Correct Answer: B