Basic Linux Commands

Question 1

ls

Answer 1

Displays information about files in the current directory.

Question 2

pwd

Answer 2

Displays the current working directory.

Question 3

mkdir

Answer 3

Creates a directory.

Question 4

cd

Answer 4

To navigate between different folders.

Question 5

rmdir

Answer 5

Removes empty directories from the directory lists.

Question 6

cp

Answer 6

Moves files from one directory to another.

Question 7

mv

Answer 7

Move, Rename and Replace the files

Question 8

rm

Answer 8

Rename and Replace the files

Question 9

uname

Answer 9

Command to get basic information about the OS

Question 10

locate

Answer 10

Find a file in the database.

Question 11

touch

Answer 11

Create empty files

Question 12

cat

Answer 12

Display file contents on terminal

Question 13

ln

Answer 13

Create shortcuts to other files

Question 14

clear

Answer 14

Clear terminal

Question 15

ps

Answer 15

Display the processes in terminal

Question 16

man

Answer 16

Access manual for all Linux commands

Question 17

grep

Answer 17

Search for a specific string in an output

Question 18

echo

Answer 18

Display active processes on the terminal

Question 19

wget

Answer 19

Download files from the internet.

Question 20

whoami

Answer 20

Create or update passwords for existing users

Question 21

sort

Answer 21

Sort the file content

Question 22

cal

Answer 22

View Calendar in terminal

Question 23

whereis

Answer 23

View the exact location of any command typed after this command

Question 24

df

Answer 24

Check the details of the file system

Question 25

wc

Answer 25

Check the lines, word count, and characters in a file using different options

Question 26

ifconfig

Answer 26

Display’s the physical/logical network Interface Card information in older Linux kernels.

Question 27

ip address

Answer 27

Display’s the physical/logical network Interface Card information.