tut 1

Question 1

man date

Answer 1

gives the access to information like the manual on how to obtain the dates and timings, etc.

Question 2

date

Answer 2

mon 19 aug 2024 09:23:56 AM +08

Question 3

date –help

Question 4

clear

Answer 4

deletes everything

Question 5

date +%R

Answer 5

09:29
provides 24hr time

Question 6

date +%x

Answer 6

19/08/2024

Question 7

history

Answer 7

shows the history of the commands used

Question 8

!5

Answer 8

uses the 5th command under the history list

Question 9

whoami

Answer 9

ubuntu
(shows the current log in user)

Question 10

sudo su -

Answer 10

switch to the privileged user/ system administrator

Question 11

cat/ etc/passwd

Answer 11

contains the user name and info

Question 12

cat/ etc/shadow

Answer 12

stores the info for the password of the file

Question 13

what do you do if u want to access a file with a password as a system administrator?

Answer 13

sudo cat/ etc/shadow

Question 14

file/ etc/passwd

Answer 14

ASCII text
(Tells us what type of file it is)

Question 15

ls

Answer 15

lists down the directories and files in the current working directory

Question 16

cd D

Answer 16

goes to the folder that starts with D

Question 17

cd Desktop/
ls

Answer 17

gives us all the files and types of files under the Desktop directory

Question 18

cd Desktop/
ls
file cat.jpg

Answer 18

gives us more information about the file named “cat.jpg”

Question 19

cat /etc/passwd
head/ etc/passwd

Answer 19

gives us all the info in the cat file.
shows us the first 10 lines

Question 20

cat /etc/passwd
head -5 / etc/passwd

Answer 20

shows us first 5 lines

Question 21

cat /etc/passwd
tail / etc/passwd

Answer 21

shows the last 10 lines

Question 22

cat /etc/passwd
tail -1 / etc/passwd

Answer 22

shows the last line

Question 23

cat /etc/passwd
wc /etc/passwd

Answer 23

51 90 3035
shows the number of character, words and lines

Question 24

man wc

Answer 24

manual

Question 25

wc -l /etc/passwd

Answer 25

shows the number of lines

Question 26

wc -w /etc/passwd

Answer 26

shows the number of words

Question 27

wc -c /etc/passwd

Answer 27

shows the number of characters

Question 28

ls

Answer 28

shows the file we are currently doing command on ??

Question 29

ls
ls -l

Answer 29

shows us more information about the file, when the file was created and the access settings to other users (tut 3)

Question 30

cd ~

Answer 30

standardizes our folders, brings us back to our home folder

Question 31

ls -la

Answer 31

shows all our hidden folder
starts with “.” is a hidden folder, for example ‘.bashrc’ is a hidden folder

Question 32

ip addr

Answer 32

gives us the internet address, etc