D281 Linux Foundations - Set 3 - 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: What does the alias command do in Linux?

Creates shortcuts for commands

Deletes a file

Lists all running processes

Installs software

Question 22: Which command is used to find out the system uptime in Linux?

uptime

top

free

Question 23: How can you check the status of a network interface in Linux?

ifconfig

netstat

ls -l

Question 24: What does the cp command do in Linux?

Copies files and directories

Changes file permissions

Deletes files

Displays file contents

Question 25: Which command is used to display the current user's home directory?

echo $HOME

pwd

ls -a

cd ~

Question 26: How can you display the IP address of a network interface in Linux?

ip addr show

ifconfig ip

ls -ip

ping addr

Question 27: What is the use of the tar command in Linux?

Creates or extracts archive files

Lists directory contents

Compresses files

Moves files

Question 28: Which command is used to show all open ports and services in Linux?

netstat

ifconfig

ls -l

Question 29: How do you check available disk space in Linux?

ls -d

free

Question 30: Which command is used to create a new directory in Linux?

mkdir

touch

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

Changes a user's password

Creates a new user

Deletes a user account

Lists user accounts

Question 32: Which command can be used to display the size of files and directories in Linux?

ls -s

size

Question 33: How can you check the Linux kernel version?

uname -r

kernel -v

uname -v

sysinfo

Question 34: Which command is used to change file ownership in Linux?

chown

chmod

ls -l

touch

Question 35: What does the df command display in Linux?

Disk space usage

File size

Memory usage

Network connections

Question 36: Which command is used to install software packages in Red Hat-based Linux distributions?

yum install

apt-get install

brew install

install pkg

Question 37: What does the ps command show?

Running processes

Disk usage

Network interfaces

Installed packages

Question 38: Which command is used to forcefully remove a directory along with its contents?

rm -rf

rmdir -r

del -d

erase -r

Question 39: What does the grep command do?

Searches for patterns in files

Displays disk usage

Moves files

Deletes directories

Question 40: Which command is used to create a compressed .gz file?

gzip

zip

tar

compress

Don't Want to Study?

Save Time on Studies, Spend More with Family & Friends! Pay-After-you-Pass!

Get Exam Support