Command Line Commands

Question 1

pwd

Answer 1

print working directory

Question 2

hostname

Answer 2

my computer’s network name

Question 3

mkdir

Answer 3

make directory

Question 4

cd

Answer 4

change directory

Question 5

ls

Answer 5

list directory

Question 6

rmdir

Answer 6

remove directory

Question 7

pushd

Answer 7

push directory; saves your current location and pushes you temporarily to a different directory

Question 8

popd

Answer 8

pop directory; takes you back to the last directory you pushed

Question 9

cp

Answer 9

copy a file or directory

Question 10

robocopy

Answer 10

robust copy

Question 11

mv

Answer 11

move a file or directory; also used to rename a file or directory
mv file1.txt directory/ moves the file
mv file1 file2 changes the file name
mv directroy1 directroy2 changes the directory name

Question 12

more

Answer 12

page through a file; type q to exit the view mode

Question 13

type

Answer 13

print the whole file

Question 14

forfiles

Answer 14

run a command on lots of files

Question 15

dir -r

Answer 15

find files

Question 16

select-string

Answer 16

find things inside files

Question 17

help

Answer 17

read a manual page

Question 18

helpctr

Answer 18

find what man page is appropriate

Question 19

echo

Answer 19

print some arguments

Question 20

set

Answer 20

export/set a new environment variable

Question 21

exit

Answer 21

exit the shell

Question 22

runas

Answer 22

Danger! become super user root Danger!

Question 23

attrib

Answer 23

change permission modifiers

Question 24

iCALCS

Answer 24

change ownership

Question 25

cd ../../..

Answer 25

change directory back towards root folder

Question 26

mkdir -p

Answer 26

makes the entire path of a directory

Question 27

new-item filename -type file/directory

Answer 27

creates a new file/directory

Question 28

cp file1.txt file2.txt

Answer 28

copies file1, including contents, and names it as file2

Question 29

cp file1 directory/

Answer 29

copies file1 into the specified directory

Question 30

cp -recurse directory1 directory2

Answer 30

copies directory1 and contents to directory2 with the name specified

Question 31

cat file.txt

Answer 31

streams the contents of the file

Question 32

rm file1.txt

Answer 32

removes the file;
can also use rm file1.txt, file2.txt, file3.txt
also rm directory/file1.txt

Question 33

rm -r directory

Answer 33

removes the directory and all contents without prompt

Question 34

|

Answer 34

takes the output from the command on the left and pipes it to the command on the right

Question 35

>

Answer 35

takes the output of the command on the left and writes it to the file on the right;
This will erase all other content and replace it with the output

Question 36

> >

Answer 36

takes the output of the command on the left and appends it to the file on the right;
this will add the output to the file’s current text

Question 37

*

Answer 37

use the * symbol as a wildcard;

e.g., ls *.txt

Question 38

dir -r

Answer 38

lists all items in the directory and all those under it

Question 39

dir -r -filter “*.txt”

Answer 39

the filter command allows you to filter for specific file types