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Read each scenario carefully and choose your answer before revealing the explanation. Then check why your choice was right or wrong. Repeat until the reasoning feels automatic.

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010-160 · topic practice

The Power OF The Command Line practice questions

Practise LPI Linux Essentials (010-160, v1.6) (010-160) The Power OF The Command Line practice questions — original exam-style scenarios with answer choices, explanations, and analysis of common mistakes.

Courseiva uses original exam-style practice questions designed for learning and revision. The goal is to understand the concepts, recognise exam patterns, and improve through explanations — not memorise copied exam dumps.

Reviewed byJohnson Ajibi· MSc IT Security

20 questionsDomain: The Power OF The Command Line

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What the exam tests

What to know about The Power OF The Command Line

The Power OF The Command Line questions test whether you can apply the concept in context, not just recognise a definition.

How the topic appears in realistic exam-style scenarios.

Which detail in the question changes the correct answer.

How to eliminate plausible but wrong options.

How to connect the question back to the wider exam objective.

Watch out for

Common The Power OF The Command Line exam traps

▸Answering from memory before reading the full scenario.
▸Missing a constraint such as cost, availability, security, scope or command context.
▸Choosing a broad answer when the question asks for the most specific fix.
▸Ignoring why the wrong options are tempting.

Practice set

The Power OF The Command Line questions

20 questions · select your answer, then reveal the explanation

Question 1mediummultiple choice

Read the full The Power OF The Command Line explanation →

You have a large log file and want to view only the last 20 lines. Which command is best?

Trap 1: view -n 20 logfile

view is a read-only mode for vi.

Trap 2: cat -n 20 logfile

cat does not support line-limiting arguments like this.

Trap 3: head -n 20 logfile

head shows the first 20 lines.

Study all The Power OF The Command Line common traps →

A
tail -n 20 logfile
tail -n 20 shows the last 20 lines.
B
view -n 20 logfile
Why wrong: view is a read-only mode for vi.
C
cat -n 20 logfile
Why wrong: cat does not support line-limiting arguments like this.
D
tail -20 logfile
The shorthand tail -20 is often supported, but -n is the standard way.
E
head -n 20 logfile
Why wrong: head shows the first 20 lines.

The Power OF The Command Line practice questions

What to know about The Power OF The Command Line

Common The Power OF The Command Line exam traps

The Power OF The Command Line questions

You have a large log file and want to view only the last 20 lines. Which command is best?

You want to combine the output of 'cat file1' and 'cat file2' and count the total number of lines in the result. Which pipe sequence is correct?

You are using 'tar' and want to extract an archive named 'backup.tar.gz' into a specific directory named '/tmp/restore'. Which command is correct?

How do you redirect both standard output and standard error to a file named 'output.log'?

Which command displays the first 5 lines of a file?

Which command shows the manual page for 'ls'?

Which TWO of the following are correct ways to set an environment variable?

You want to find all occurrences of the string 'ERROR' within the 'syslog' file. Which command is most appropriate?

Which command is used to display the current working directory in the terminal?

You need to display the contents of a file named 'config.txt' directly to your terminal screen. Which command should you use?

You wish to send the output of the 'ls -l' command directly into a file named 'dirlist.txt', overwriting any existing content. Which operator should you use?

You want to replace every occurrence of 'old' with 'new' in the file 'data.txt' and view the result in the terminal. Which command achieves this?

You need to set an environment variable named 'MYVAR' to 'hello' so that it is available to child processes. Which command is correct?

You need to create a compressed archive of the '/home/user/docs' directory named 'docs.tar.gz'. Which flag ensures gzip compression is applied?

What is the result of the command 'ls -la | grep "^d"'?

Which character is used to append output to an existing file without deleting its original content?

What does the command 'history' do?

You want to search for a file named 'notes.txt' starting from the root directory. Which command is most efficient?

Which command-line shortcut allows you to autocomplete filenames and commands?

You need to change the environment variable PATH to include the directory '/opt/bin'. Which command is standard?

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