1102 1.11 Linux Features and Tools

Question 1

What does the command ls do in Linux?

Answer 1

Lists the contents of a directory.

Question 2

How can you display the current directory in Linux?

Answer 2

pwd (Print Working Directory).

Question 3

What is the command to move or rename a file in Linux?

Answer 3

mv

Question 4

How do you copy files in Linux?

Answer 4

cp

Question 5

What command would you use to delete files in Linux?

Answer 5

rm

Question 6

How can you change file permissions in Linux?

Answer 6

chmod

Question 7

How do you change the owner of a file in Linux?

Answer 7

chown

Question 8

What command provides elevated privileges in Linux?

Answer 8

The sudo command.

Question 9

Which command is used to install packages in Ubuntu?

Answer 9

apt-get

Question 10

Which command is used to manage packages in Red Hat-based systems?

Answer 10

yum.

Question 11

How can you view network configuration details in Linux?

Answer 11

Use the command ip.

Question 12

What is the command to view disk usage and free space in Linux?

Answer 12

Use df.

Question 13

How can you search inside files for a specific string in Linux?

Answer 13

Use the command grep.

Question 14

What command lists currently running processes in Linux?

Answer 14

ps.

Question 15

How do you display a manual page for a command in Linux?

Answer 15

Use the command man.

Question 16

What command provides a dynamic real-time view of running processes?

Answer 16

The command top.

Question 17

Which command is used to find files in a directory hierarchy?

Answer 17

find.

Question 18

How do you perform a DNS lookup in Linux?

Answer 18

Use the command dig.

Question 19

What does the cat command do?

Answer 19

Concatenates and displays files.

Question 20

How can you create and edit text files in Linux?

Answer 20

Use the editor nano.

Question 21

What is a best practice for managing backups on Linux?

Answer 21

Utilize tools like tar or rsync for systematic backups.

Question 22

Why should you install antivirus software on Linux?

Answer 22

To protect against malware and viruses, despite Linux’s robust security.

Question 23

What is an important routine maintenance practice for Linux systems?

Answer 23

Regularly apply updates and patches.

Question 24

What tool in Linux is equivalent to Windows SMB for file sharing?

Answer 24

Samba, which facilitates file and print services across network systems.

Question 25

How do you ensure continuous file synchronization in Linux?

Answer 25

Utilize the rsync command for syncing files between directories or systems.

Question 26

What command line tool is essential for Linux administration and scripting?

Answer 26

Shell or Terminal.

Question 27

What command adds or updates packages using RPM in Linux?

Answer 27

yum for Red Hat-based distributions.

Question 28

How can you monitor network traffic in real-time on Linux?

Answer 28

Install and use Wireshark via sudo apt-get install wireshark.

Question 29

What command modifies the mode of files to set permissions in Linux?

Answer 29

chmod, which alters file access permissions.

Question 30

How do you view the amount of used and free disk space in a readable format in Linux?

Answer 30

Use df -h to display disk space in human-readable format.