D281 Linux Foundations - Set 5 - Part 1

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

Question 1: Which Linux command is used to print the last 10 lines of a file?

tail

head

cat

grep

Question 2: What does the tar command do in Linux?

Compresses files

Creates an archive

Extracts files

Deletes files

Question 3: Which command is used to list open ports and network connections?

netstat

ping

ifconfig

iptables

Question 4: What is the default text editor in most Linux distributions?

nano

emacs

gedit

Question 5: How do you search for a pattern within files in Linux?

grep

find

locate

Question 6: Which command is used to modify the default gateway in Linux?

route

ifconfig

ipconfig

netstat

Question 7: What does the mv command do?

Move or rename files

Copy files

Delete files

Create files

Question 8: Which of the following is a valid option for the cp command to copy directories recursively?

-r

-f

-d

-x

Question 9: Which of the following commands is used to display the system's IP routing table?

netstat -r

ip route show

route -n

All of the above

Question 10: What does the du -sh command display?

Disk usage of a directory in human-readable format

Detailed information about files

Disk partitions

Number of files in a directory

Question 11: Which command is used to terminate a process by specifying its PID?

kill

terminate

end

stop

Question 12: What does the ln -s command do in Linux?

Creates a symbolic link

Creates a hard link

Copies a file

Moves a file

Question 13: Which file contains system-wide environment variables in Linux?

/etc/environment

/etc/passwd

/etc/group

/etc/shadow

Question 14: Which command is used to compress files using the gzip algorithm?

gzip

tar

zip

bzip2

Question 15: What does the find command do in Linux?

Search for files and directories

Display file contents

Copy files

Compress files

Question 16: How can you change the password of a user account?

passwd

usermod

chpasswd

resetpwd

Question 17: Which command is used to show the current disk usage of directories and files?

Question 18: What does the sudo command allow?

Execute commands with superuser privileges

Switch to another user

Run background processes

Display running processes

Question 19: How do you view a file's permissions in Linux?

ls -l

chmod -l

perm -v

cat -p

Question 20: What is the purpose of the passwd file in Linux?

Stores user account information

Stores passwords in plain text

Stores encrypted passwords

Stores environment variables

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