Commands

Question 1

Print working directory

Answer 1

pwd

Question 2

My computer’s network name

Answer 2

hostname

Question 3

Make directory

Answer 3

mkdir

Question 4

Change directory

Answer 4

cd

Question 5

List directory

Answer 5

ls

Question 5

Push directory

Answer 5

pushd

Question 6

Remove directory

Answer 6

rmdir

Question 8

Pop directory

Answer 8

popd

Question 9

Copy a file or directory

Answer 9

cp

Question 10

Move file or directory

Answer 10

mv

Question 11

Page through files

Answer 11

less

Question 12

Print the whole file

Answer 12

cat

Question 13

Execute arguments

Answer 13

xargs

Question 14

Find files

Answer 14

find

Question 15

Find things inside files

Answer 15

grep

Question 16

Read manual page

Answer 16

man

Question 17

Find what man page is appropriate

Answer 17

apropos

Question 18

Look at your environment

Answer 18

env

Question 19

Print some arguments

Answer 19

echo

Question 20

Export/set new environment variable

Answer 20

export

Question 21

Exit shell

Answer 21

exit

Question 22

Become super user root

Answer 22

sudo

Question 23

sudo

Answer 23

Become super user root

Question 24

exit

Answer 24

Exit shell

Question 25

export

Answer 25

Export/set new environment variable

Question 26

echo

Answer 26

Print some arguments

Question 27

env

Answer 27

Look at your environment

Question 28

apropos

Answer 28

Find what man page is appropriate

Question 29

man

Answer 29

Read manual page

Question 30

grep

Answer 30

Find things inside files

Question 31

find

Answer 31

Find files

Question 32

xargs

Answer 32

Execute arguments

Question 33

cat

Answer 33

Print the whole file

Question 34

less

Answer 34

Page through files

Question 35

mv

Answer 35

Move file or directory

Question 36

cp

Answer 36

Copy a file or directory

Question 37

popd

Answer 37

Pop directory

Question 38

pushd

Answer 38

Push directory

Question 39

rmdir

Answer 39

Remove directory

Question 40

ls

Answer 40

List directory

Question 41

cd

Answer 41

Change directory

Question 42

mkdir

Answer 42

Make directory

Question 43

hostname

Answer 43

My computer’s network name

Question 44

pwd

Answer 44

Print working directory

Question 45

How would you find differences between 2 files using the command lines?

Answer 45

diff -u file1.html file2.html

Question 46

Who would you reset bash after setting an ENV variable

Answer 46

source ~/.bash_profile