Powershell commands

Question 1

ls

Answer 1

list directories

Question 2

get-help ls

Answer 2

brief summary of command’s parameters

Question 3

Get-help ls -Full

Answer 3

description of parameters and how to use the command

Question 4

Ls -force [drive name c:\]

Answer 4

show hidden and system files and directories

Question 5

pwd

Answer 5

print working directory (shows which directory you’re working in)

Question 6

cd

Answer 6

change directory

Question 7

cd ..

Answer 7

go back up one level from the directory you are in

Question 8

cd ~

Answer 8

moves me back to the home or main directory

Question 9

mkdir

Answer 9

make directory (folder)

to create spaces in a directory name put it in single quotes ‘my cool folder’ or with back tick marks my cool folder

Question 10

` - back tick mark

Answer 10

escape characters which tell the shell to treat the next item literally

Question 11

history or ctrl+r

Answer 11

displays previous commands used and then I can navigate the commands with up and down arrows and then repeat or change the command without typing all of it

Question 12

clear

Answer 12

clears the output on the screen if its looking a little cluttered

Question 13

cp

Answer 13

copy file

Question 14

*

Answer 14

anything

Question 15

-recurse

Answer 15

lists the contents of the directory

Question 16

-verbose

Answer 16

gives more detailed information in a command

Question 17

mv

Answer 17

renames files AND

moves files between directories

Question 18

rm

Answer 18

removes files and directories

Question 19

rm -force

Answer 19

remove system or other restricted files

Question 20

rm -recurse

Answer 20

removes folder and contents and other directories inside it

Question 21

cat

short for concatenate

Answer 21

gets contents of a file and outputs the contents to the screen

Question 22

more

Answer 22

gets the contents of the file (especially a larger one) and displays it to the terminal window until it fills it.

Separate command in powershell and has its own commands

Question 23

enter button

Answer 23

advances the content on the screen 1 line at a time after “more” command has been used

Question 24

Space button

Answer 24

advances file content by the size of the page after the more command

Question 25

q key

Answer 25

quit out of the “more” command and return to powershell

Question 26

cat -head

Answer 26

displays the first few lines of a file

Question 27

cat -tail

Answer 27

displays the last few lines of a file

Question 28

start notepad++ [filename]

Answer 28

opens a file directly in notepad for viewing or editing

Question 29

get -alias

Answer 29

displays the alias of a command

For instance:
“get -alias ls” displays actual command name get-childitem

Question 30

get -childitem

Answer 30

same as ls

Question 31

/?

Answer 31

get help

Question 32

select-string

Answer 32

returns the “string” of characters or items listed

can be used with the *

Question 33

-filter

Answer 33

select specific file content(s) to search for or display

Question 34

echo

Answer 34

alias for write-output

Question 35

write-output

Answer 35

Sends the output of a command to the next command for execution. Or displays the output to the screen if it’s the last command to be executed.

Question 36

>

Answer 36

re-director operator for standard output

i.e. instead of the screen another location like a file

Question 37

$null

Answer 37

redirects unwanted output to the “black hole of nothing”