Chapter 1

Question 1

BASH

Answer 1

Bourne-again shell

Question 2

What is the history command?

Answer 2

Shows you all the commands you typed into the terminal.

Question 3

What command will show you the day, month, year and current time.

Answer 3

date

Question 4

What does the up arrow do?

Answer 4

Recalls the previous commands.

Question 5

What does the down arrow do?

Answer 5

Scrolls down the list of previous commands.

Question 6

How do you cancel a process?

Answer 6

ctrl + c

Question 7

What will the cd - command do?

Answer 7

Brings you back to the previous folder you were in. This doesn’t have to be a parent or subfolder.

Question 8

ctrl + u will?

Answer 8

Delete from the cursor to the start of the line.

Question 9

option + right arrow will?

Answer 9

Move the cursor to the right one word.

Question 10

What is the home folder?

Answer 10

Holds personal directories for regular users.

Question 11

ctrl + E or ^E will?

Answer 11

Move the cursor to the end of the line.

Question 12

What are the short cut keys to copy something from the terminal?

Answer 12

cmd + c

Question 13

What does the cd command stand for and what does it do on its own?

Answer 13

Stands for change directory.

cd on its own will bring you back to your home directory.

Question 14

What is the command to bring up a calendar?

Answer 14

cal

Question 15

What short cut command brings the cursor left one word?

Answer 15

option + left arrow

Question 16

ls -l will?

Answer 16

Will bring up files and folders in a long list, along with information.

Question 17

What is this option? ls -lF

Answer 17

• F Puts an indicator character on each of the listed items. (a directory would have / )

Question 18

What short cut keys will paste to the terminal?

Answer 18

cmd + v

Question 19

What are the short cut keys bring up a list of All the commands you have typed in the terminal (even from previous sessions)

Answer 19

ctrl + R

Question 20

What is the short cut key to delete from the cursor to the end of the line?

Answer 20

ctrl + k

Question 21

ls -R will?

Answer 21

-R is the recursive option and will list files / folders and SUBFOLDERS.

Question 22

What is the -h option? Thats used with ls -lh

Answer 22

The -h option must be used with the -l option. ls -lh
Human readable changes the file sizes from bytes to kb, mg, gb tb.

Question 23

ls -F will?

Answer 23

Identify folders, executables etc

Question 24

What is this option?
ls -lt

Answer 24

-t Sorts list by modification time.

Question 25

What is this option?
ls -lS

Answer 25

-S Sorts list by file size.

Question 26

What is this option?
ls -r

Answer 26

-r Sorts list in reverse order.