CLI Commands on the A+ Exam

Question 1

Install and manage software packages. Linux only.

Answer 1

apt-get

Question 2

Display or concatenate files. L/M.

Answer 2

cat

(L/M only)

Question 3

Change the focus of the command prompt.

Answer 3

cd (all 3 OS)

Question 4

Scan, detect, and repair file system issues and errors. Win.

Answer 4

chkdsk

Question 5

Change file permissions. L/M.

Answer 5

chmod

Question 6

Change file owner and group. L/M.

Answer 6

chown

Question 7

Copy files. Win/L/M. (2)

Answer 7

1. Win - copy
2. L/M - cp

Question 8

Permanently delete files. Win/L/M. (2)

Answer 8

1. Win - del
2. L/M - rm

Question 9

Query DNS servers for information. L/M.

Answer 9

dig

Question 10

List files and directories in a directory. Win/L/M.

Answer 10

1. Win - dir
2. L/M - ls

Question 11

Access the advanced disk partitioning tool. Be careful—there’s no safety net. Win.

Answer 11

diskpart

Question 12

Display the number of 1K blocks of free disk space. L/M.

Answer 12

df

Question 13

Search for files and directories. L/M.

Answer 13

find

Question 14

Format data storage volumes. Win.

Answer 14

format

Question 15

Report the effective group policy for a system or user. Win.

Answer 15

gpresult

Question 16

Update group policy settings. Win.

Answer 16

gpupdate

Question 17

Search text files or command output. L/M.

Answer 17

grep

Question 18

Display command documentation. Win/L/M.

Answer 18

1. Win - help
2. L/M - man

Question 19

Check status of and configure network interfaces. Win/L/M.

Answer 19

1. Win - ipconfig
2. L/M - ip

Question 20

Create a new directory. Win/L/M.

Answer 20

1. Win - md
2. L/M - mkdir

Question 21

Move files. Win/L/M.

Answer 21

1. Win - move
2. L/M - mv

Question 22

Open a text file in a text-based editing app. L/M.

Answer 22

nano

Question 23

Map network shares. Win.

Answer 23

net use

Question 24

Activate the hidden local administrator account. Win.

Answer 24

net user

Question 25

Show network status information, such as connections. Win/L/M.

Answer 25

1. Win - netstat 2. L/M - netstat

Question 26

Check what IP address your DNS server reports for a host name. Win/L/M.

Answer 26

1. Win - nslookup 2. L/M - nslookup

Question 27

Identify the routers on the path to the domain provided and ping each router on the path to compute latency. Win.

Answer 27

pathping

Question 28

Check how quickly a remote network system responds. Win/L/M.

Answer 28

1. Win - ping 2. L/M - ping

Question 29

List processes. L/M.

Answer 29

ps

Question 30

Show your present working directory path. L/M.

Answer 30

pwd

Question 31

Delete (remove) a directory. Win/L/M.

Answer 31

1. Win - rd 2. L/M - rmdir

Question 32

Perform advanced file copying across a network. Win.

Answer 32

robocopy

Question 33

Scan for missing/corrupt system files and replace them. Win.

Answer 33

sfc

Question 34

Shut down or reboot a local or remote computer. Win/L/M.

Answer 34

1. Win - shutdown 2. L/M - shutdown

Question 35

Change authenticated user account (usually to root). L/M.

Answer 35

su

Question 36

Perform a single command with another account (usually root). L/M.

Answer 36

sudo

Question 37

Show running processes and kernel-managed tasks. L/M.

Answer 37

top

Question 38

Check the network path to a remote system. Win/L/M.

Answer 38

1. Win - tracert 2. L/M - traceroute

Question 39

Display the Windows edition, version, build number, and trademark information. Win.

Answer 39

winver

Question 40

Install and manage packages. L/M.

Answer 40

yum