1. Enter the command necessary to navigate to your home directory.

3. Use the mkdir command to create a directory named HW1 in your home directory. Navigate into the newly created directory HW1.

4. Enter the command that will determine whether or not echo is an internal or external command. Redirect the standard output to a file named question4.txt.

5. Enter the command to display your current working directory and redirect the standard output to a file named question5.txt

6. Using the touch command, create the following files within the HW1 directory:

color.txt

first.txt

last.txt

number.txt

7. Using the nano editor, add the following words one per line to the color.txt file:

yellow

brown

black

blue

green

red

pink

orange

white

gray

8. Using a text editor, add the following words one per line, to the first.txt file:

matt

brian

james

ben

josh

Katie

luke

mark

john

blake

9. Using a text editor, add the following words one per line, to the last.txt file:

smith

harrison

lieb

johnson

connon

connon

willis

willis

willis

placer

mulder

crowder

anderson

10. Using a text editor, add the following numbers one per line, to the numbers.txt file:

333-4444

777-8888

666-7777

111-2222

888-9999

111-0000

222-1111

444-5555

222-3333

555-6666

11. Enter a single command that will display the contents of the last.txt, full.txt and numbers.txt files.

12. Enter the command that will merge the following three files together: last.txt, first.txt and numbers.txt so that there are three columns. Redirect the standard output to a new file names phonelist.txt.

Example: anderson josh 555-666

smith matt 333-4444

13. Use the cat command to view the contents of the phonelist.txt file. What is wrong with the content created in this new file?

14. Enter the command that will clean up the redundant line within the last.txt file. Redirect the output to a new file named last.new.txt. *hint (Chapter 1 lists the command to remove duplicate lines).

15. Enter the command to merge the following files: last.new.txt, first.txt, numbers.txt with line numbers. Redirect the output to a new file called, phonelist.final.txt

16. Using the following commands, extract the IP address from the eth0 interface and redirect the output to a file named, ip_address.txt.

ifconfig (/sbin/ifconfig)

grep

cut

17. Combine all four files (color.txt; last.new.txt; first.txt; and number.txt with the following requirements:

The list must be sorted in a reverse alphabetical order

The list must be numbered

Redirect the output to a new file named question17.txt