Commands

Question 0

hostname

Answer 0

Computer’s network name

Question 1

pwd

Answer 1

Print working directory

Question 2

mkdir

Answer 2

Make directory

Question 3

cd

Answer 3

Change directory

Question 4

ls

Answer 4

List directory

Question 5

rmdir

Answer 5

Remove directory

Question 6

pushd

Answer 6

Push current directory into a list for later, then changes to another directory. “Save where I am and go here”

Question 7

popd

Answer 7

Takes you back to the directory you pushed

Question 8

cp

Answer 8

Copy a file or directory

Question 9

mv

Answer 9

Move a file or directory

Question 10

cat

Answer 10

Print the whole file

Question 11

xargs

Answer 11

Execute arguments

Question 12

find

Answer 12

Find files

find STARTDIR -name “WILDCARD” - print

Question 13

grep

Answer 13

Find things inside files

Greg TEXT WILDCARD

Question 14

man

Answer 14

Read a manual page

Question 15

apropos

Answer 15

Find which man page is appropriate

Question 16

env

Answer 16

Look at your environment

Question 17

echo

Answer 17

Print some arguments

Question 18

export

Answer 18

Export/set a new environment variable

Question 19

exit

Answer 19

Exit the shell/terminal

Question 20

sudo

Answer 20

Become super user root. Be careful

Question 21

chmod

Answer 21

Change permission modifiers

Question 22

chown

Answer 22

Change ownership

Question 23

less

Answer 23

Displays file. Exit with q

Question 24

$ | $

Answer 24

Pipes output from command on left to command on right

Question 25

$ < $

Answer 25

Sends input from file on right to program on left

Question 26

$ > $

Answer 26

Writes output of command on left to file on right

Question 27

$&raquo_space; $

Answer 27

Takes output of command on left and adds it to file on right

Question 28

$ -r

Answer 28

Performs command recursively through directories

Question 29

$ -rf

Answer 29

Performs command recursively through files

Question 30

mkdir -p

Answer 30

Creates entire path

Question 31

*

Answer 31

Wildcard

Question 32

touch

Answer 32

Creates empty file

Question 33

$ -i

Answer 33

Disregard case

Question 34

$

Answer 34

Represents a command