D281 Linux Foundations - Set 1 - Part 3

Test your knowledge of technical writing concepts with these practice questions. Each question includes detailed explanations to help you understand the correct answers.

Question 41: How can you list all the running services in a Linux system?

top

systemctl list-units --type=service

Question 42: What does the hostname command do?

Displays or sets the system's hostname

Displays the current user

Displays network connections

Lists installed software

Question 43: Which command can be used to download and install updates on a Debian-based Linux system?

apt-get update

yum update

pacman -Syu

brew update

Question 44: Which command is used to view the contents of a file in Linux?

cat

pwd

mkdir

Question 45: How can you remove a directory and all its contents, including subdirectories?

rm -r

rmdir

rm -d

rm -f

Question 46: What does the chown command do?

Changes file or directory ownership

Changes file permissions

Changes the file name

Copies a file

Question 47: Which of the following commands will list hidden files in a directory?

ls -a

ls -l

ls -h

ls -r

Question 48: What is the primary purpose of the vi command?

To edit text files

To view system processes

To search for files

To copy files

Question 49: Which command will display the current shell being used?

echo $SHELL

pwd

whoami

uname

Question 50: How can you terminate a process in Linux?

kill

stop

exit

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