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LPIC-1 System Administrator Exam 101, Part 1 of 2, version 5.0 Questions 91–95 (page: 20)

Updated On: 10-Feb-2026

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

  1. -10
  2. 0
  3. 10
  4. 20

Answer(s): C



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

  1. tr '\s' ' ' < a.txt > b.txt
  2. tr -c ' ' < a.txt > b.txt
  3. tr -d ' ' < a.txt > b.txt
  4. tr -r ' ' '\n' < a.txt > b.txt
  5. tr -s ' ' < a.txt > b.txt

Answer(s): E



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

  1. !
  2. +
  3. &
  4. %
  5. #

Answer(s): C



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

  1. cat -n 10 filename
  2. dump -n 10 filename
  3. head -n 10 filename
  4. tail -n 10 filename

Answer(s): D



Which of the following commands prints a list of usernames (first column) and their primary group (fourth column) from the /etc/passwd file?

  1. fmt -f 1,4 /etc/passwd
  2. split -c 1,4 /etc/passwd
  3. cut -d : -f 1,4 /etc/passwd
  4. paste -f 1,4 /etc/passwd

Answer(s): C



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