LPI Linux Essentials 010-150 Passing Score

Linux Essentials Certificate Exam, version 1.5 Questions and Answers

Question 9

What is the output of the following command?

tail -n 20 test.txt

The first 20 lines of test.txt.

The last 20 lines of test.txt omitting the blank lines.

The last 20 lines of test.txt with line numbers.

The last 20 lines of test.txt including blank lines.

Question 10

Which command is used to make a shell variable known to subsequently executed programs?

export

announce

env

transfer

Question 11

Which of the following commands will display a list of all files in the current directory, including those that may be hidden?

ls -a

ls --hidden

ls -h

ls –a

Question 12

Which commands provide help for a specific Linux command? (Choose TWO correct answers.)

info

man

helpme

ask

whatdoes