Linux Commands

Question 1

View a list of directories on the computer.

Answer 1

LS

Question 2

Search for a pattern of text in files and display the results. This command helps you find files with specific words or phrases.

Answer 2

grep

Question 3

Show the directory you’re currently in (the working directory). Not to be confused with passwd.

Answer 3

pwd

Question 4

Change from one directory to another.

Answer 4

cd

Question 5

Move a file to a specific directory.

Answer 5

mv

Question 6

Copy a file.

Answer 6

cp

Question 7

Delete (remove) a file or directory.

Answer 7

rm

Question 8

Change the owner of a particular file or directory.

Answer 8

chown

Question 9

Modify file permissions.

Answer 9

chmod

Question 10

Shut down the system.

Answer 10

shutdown

Question 11

Change the password for a user account.

Answer 11

passwd

Question 12

Display information about your wireless network adapters and addressing configuration.

Answer 12

iwconfig

Question 13

Display information about your wired network adapters and addressing configuration.

Answer 13

ifconfig

Question 14

Display the running system processes. You can use this to troubleshoot system problems.

Answer 14

ps

Question 15

Send a signal to end a process or modify its behavior. You can use this to stop malfunctioning programs, or restart system daemons.

Answer 15

kill

Question 16

Login as a superuser from your current login.

Answer 16

su

Question 17

Execute a command as another user. You can use sudo to execute a command as a user with higher privileges, such as the root user.

Answer 17

sudo

Question 18

Updating, upgrading, or installing packages.

Answer 18

Apt-get

Question 19

Edit text files.

Answer 19

vi

Question 20

Convert and copy a file.

Answer 20

dd

Question 21

Clear the Terminal screen.

Answer 21

clear