D281 Linux Foundations - Set 2 - Part 2

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

Question 21: Which command is used to change the ownership of a file?

chown

chmod

touch

Question 22: How do you create a new directory in Linux?

mkdir

rmdir

touch

Question 23: Which command is used to view the last 10 lines of a file in Linux?

tail

head

cat

grep

Question 24: What does the passwd command do?

Changes the user's password

Displays the current password

Deletes a password

Displays the user's permissions

Question 25: How can you view the file permissions of a file?

ls -l

chmod

chown

rm -l

Question 26: What is the purpose of the hostname command?

Displays or sets the system's hostname

Displays the current directory

Displays the network IP address

Lists all installed packages

Question 27: Which of the following is a compression tool in Linux?

gzip

Question 28: How do you check the disk usage of a file or directory?

Question 29: What does the find command do in Linux?

Searches for files and directories

Moves files

Displays file contents

Changes file ownership

Question 30: How do you display the system's kernel version?

uname -r

uname -a

ls -a

pwd -v

Question 31: What does the alias command do in Linux?

Creates shortcuts for long commands

Deletes a file

Lists running processes

Compresses a file

Question 32: How do you view the manual pages for a command in Linux?

man

info

help

echo

Question 33: Which command is used to delete a directory and its contents recursively?

rm -r

rmdir

rm -d

Question 34: What does the uptime command show in Linux?

How long the system has been running

The current time

Disk usage

Memory usage

Question 35: How can you display all running services in Linux?

systemctl list-units

ls -a

echo $SERVICES

Question 36: Which command is used to change a user's shell?

chsh

chmod

chown

usermod

Question 37: What does the df -h command show?

Human-readable disk space usage

Memory usage

Network usage

Process list

Question 38: Which command is used to compress a file using the bzip2 algorithm?

bzip2

gzip

tar

zip

Question 39: How do you create a symbolic link in Linux?

ln -s

ln -h

link

Question 40: What does the jobs command show?

Lists all jobs in the current shell

Lists all running processes

Lists all users

Lists all installed software

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