Command Line

Question 1

Change the owner and the group the file or folder is associated in Linux

Answer 1

chown

Syntax:

chown filename

chown : filename

Note requires super user permissions

Question 2

Change file or folder permissions in Linux

Answer 2

chmod

Syntax:

chmod

r: 4
w: 2
x: 1

Question 3

Rebuilds the boot sector for the active system partition in Windows

Answer 3

Bootrec /fixboot

Question 4

Rebuilds the master boot record for the system partition in Windows

Answer 4

Bootrec /fixmbr

Question 5

Looks for Windows installations not currently in the BCD store and shows you the results without doing anything

Answer 5

Bootrec /scanos

Question 6

Looks for Windows installations not currently in the BCD store and gives you the choice to add them to the BCD store

Answer 6

Bootrec /rebuildmbr

Question 7

Exports a copy of the BCD store to a file

Answer 7

Bcdedit /export

Question 8

Imports a copy of the BCD store back into the store

Answer 8

Bcdedit /import

Question 9

Display current path in Linux

Answer 9

pwd

Question 10

Change a user’s password in Linux

Answer 10

passwd

Question 11

Find out syntax and switches for a command in Window

Answer 11

[command name] /?

Question 12

Find out syntax and switches for a command in Linux

Answer 12

man [command name]

Question 13

Use of |

Answer 13

Symbol for pipe command

Question 14

Extra text typed after a command to modify its operation

Answer 14

A switch

Question 15

Meaning of symbol -

Answer 15

A switch in Linux

Question 16

Meaning of symbol /

Answer 16

A switch in Windows

Question 17

Display contents of the current working directory in Windows

Answer 17

dir

Question 18

Display contents of the current working directory in Linux

Answer 18

ls

Question 19

Change focus of command prompt from one directory to another in Windows and Linux

Answer 19

cd

Question 20

Move between drives in Windows

Answer 20

Type the drive letter followed by a colon (:)

Question 21

How to move back one in the path

Answer 21

cd..

Question 22

Make directory

Answer 22

md or mkdir in Windows and mkdir in Linux

Question 23

Remove directory

Answer 23

rd or rmdir in Windows and rmdir in Linux

Question 24

Delete files in Linux

Answer 24

rm

Question 25

Remove directory containing subdirectories and files in Linux

Answer 25

rm -r

Question 26

Remove directory containing subdirectories and files in Windows

Answer 26

Rd /s

Question 27

Use of * in Windows and Linux

Answer 27

Used as a wildcard

Question 28

Delete files in Windows

Answer 28

del or erase

Question 29

Copy a file in Windows

Answer 29

copy

Question 30

Copy a file in Linux

Answer 30

cp

Question 31

Move a file in Windows

Answer 31

move

Question 32

Move a file in Linux

Answer 32

mv

Question 33

Copy multiple directories at once in Windows

Answer 33

xcopy

Question 34

Copy files and directories, even over a network

Answer 34

robocopy

Question 35

Hard drive error detection and to a certain extent correction utility in Windows

Answer 35

chkdsk

Question 36

Display the name of a computer in Windows

Answer 36

hostname

Question 37

Make group policy changes immediate in Windows

Answer 37

gpupdate

Question 38

List group policies applied to a user in Windows

Answer 38

gpresult

Question 39

Scan, detect, and restore Windows system files, folders, and paths

Answer 39

sfc

Question 40

View and change wireless settings in Linux

Answer 40

iwconfig

Question 41

List all processes running on the computer in Linux

Answer 41

ps

Question 42

Search through text files or command outputs to find specific information or filter out unneeded information in Linux

Answer 42

grep

Question 43

Edit text files in Linux

Answer 43

vi

Question 44

Copy entire block volume in Linux

Answer 44

dd

Question 45

Install or update a program using the advanced packaging tool

Answer 45

apt-get