What command displays manual pages? (Specify ONLY the command without any path or parameters.)
Solution:
man

Does this meet the goal?

1. A. Yes
2. B. No

Correct Answer: A

Members of a team already have experience using Red Hat Enterprise Linux. For a small hobby project, the team wants to set up a Linux server without paying for a subscription. Which of the following Linux distributions allows the team members to apply as much of their Red Hat Enterprise Linux knowledge as possible?

1. A. Ubuntu Linux LTS
2. B. Raspbian
3. C. Debian GNU/Linux
4. D. CentOS
5. E. openSUSE

Correct Answer: D

What is true about the dmesg command? (Choose two correct answers.)

1. A. It traces the execution of a command and shows each step the program carries out.
2. B. It sends messages to the command lines of all current user sessions.
3. C. It displays the content of the Linux kernel’s ring buffer.
4. D. It immediately outputs all new messages written to the system journal.
5. E. It might not display older information because it was overwritten by newer information.

Correct Answer: CE

Which of the following outputs comes from the command free?

1. A. Option A
2. B. Option B
3. C. Option C
4. D. Option D
5. E. Option E

Correct Answer: E

What is the purpose of the PATH environment variable?

1. A. It allows the execution of commands without the need to know the location of the executable.
2. B. It increases security by preventing commands from running in certain locations.
3. C. It specifies the location of a user's home directory.
4. D. It indicates the location of the default shell to be used when a user logs in.
5. E. It contains the absolute path to the current directory.

Correct Answer: A