Linux Bash Commands

Question 1

What command is used to list files and directories in the current directory?

Answer 1

ls

Question 2

True or False: The command ‘cd ..’ is used to move to the parent directory.

Answer 2

True

Question 3

Fill in the blank: The command to change permissions of a file is _____ .

Answer 3

chmod

Question 4

What command is used to display the current working directory?

Answer 4

pwd

Question 5

Which command is used to create a new directory?

Answer 5

mkdir

Question 6

True or False: The ‘rm’ command is used to rename files.

Answer 6

False

Question 7

What does the command ‘cp’ do?

Answer 7

It copies files or directories.

Question 8

What command can be used to search for a specific text within files?

Answer 8

grep

Question 9

Fill in the blank: The command _____ is used to display the contents of a file.

Answer 9

cat

Question 10

What command is used to move or rename files?

Answer 10

mv

Question 11

True or False: The command ‘touch’ is used to create an empty file.

Answer 11

True

Question 12

What does the ‘echo’ command do?

Answer 12

It displays a line of text or a variable value.

Question 13

Which command is used to display the last few lines of a file?

Answer 13

tail

Question 14

What command is used to display the first few lines of a file?

Answer 14

head

Question 15

Fill in the blank: The command _____ is used for file compression.

Answer 15

gzip

Question 16

What is the purpose of the ‘man’ command?

Answer 16

To display the manual for other commands.

Question 17

True or False: The command ‘chown’ is used to change the owner of a file.

Answer 17

True

Question 18

What command can be used to find the location of a command in the system?

Answer 18

which

Question 19

What does the ‘ps’ command do?

Answer 19

It displays the currently running processes.

Question 20

Fill in the blank: To view the contents of a compressed file, use the command _____ .

Answer 20

zcat

Question 21

What command is used to terminate a running process?

Answer 21

kill

Question 22

True or False: The ‘clear’ command is used to delete files.

Answer 22

False

Question 23

What command is used to display disk usage?

Answer 23

du

Question 24

Fill in the blank: The command _____ is used to change the current user.

Answer 24

su

Question 25

What command can be used to view network connections?

Answer 25

netstat

Question 26

True or False: The command ‘tar’ is used for creating and extracting archive files.

Answer 26

True

Question 27

What command is used to check the system’s memory usage?

Answer 27

free