Task $110$ points

Create the users paul, sylvia, and patty. Change the password for paul.

Show that the users have been created successfully by outputting ONLY the users you have created to a file named $$users$.$txt$$ and outputting the content of the file to the terminal screen. You may not type anything manually; you must only use commands.

Make sure that users sylvia and patty change their passwords at the first login$.$

Create a user named vendor, set vendor$$s permanent password, make sure vendor cannot change it$.$ Set vendor account to expire in $30$ days.

Set temporary lock on the vendor account.

Task $210$ points

Create the groups admin, manager, and user

Show that the groups have been created successfully by outputting only the groups you have created to a file named $$groups$.$txt$$ and outputting the content of the file to the terminal screen. You may not type anything manually; you must only use commands.

Place paul in the admin group $|$ Place sylvia in the manager group $|$ Place patty and vendor in the

user group.

Append the $$groups$.$txt$$ so it shows the groups with their users

Task $34$ points

From the student user$$s home directory, create a directories called $$Admin $$and $$Backup$$

From the Admin directory create the $$Groups$$ and $$Users$$ directories

Move the $$groups$.$txt$$ file to the $$Groups$$ directory and the $$users$.$txt$$ file to the

$$Users$$ directory

Copy all of the files you just created into the $$Backup$$ directory and name the copies $$groups$.$bak$$ and $$users$.$bak$$

Task $410$ points

Make it so the file $$users$.$txt$$ is owned by $$paul$$ and $$admin$$

Make it so the file $$groups$.$txt$$ is owned by $$sylvia$$ and $$manager$$

Change the file permissions for $$users$.$txt$$ so only paul can edit the file using only symbolic codes.

Explain, how would you use symbolic codes, what are they. $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Create a file named onboarding.txt in the $$Admin$$ directory and edit the file in an editor to say $$echo hello$.$

Change the permissions in the file so onboarding.txt isexecutable, and all users can read and execute, but the owner have full set of permissions. The primary group doesn$$t need execute permissions. Use absolute $($octal$)$ method.

Explain, how you calculate values, and how you know what value to assign to the each party. $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

What does it mean that file is executable? $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$($Insert your screenshot here.$)$

Task $56$ points

Create links to the directories $$Groups$$ and $$Users$$ so they can be accessed from the Root$$s home directory. What type of the links did you use? Why? Explain what are benefits, and restrictions to use this type of links. $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Create link to the file onboarding.txt so $$admin$$ user can access it from the home directory. What type of the links did you use? Why? Explain what are benefits, and restrictions to use this type of links. $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Verify that all links exist, and can be accessed.

Remove an original onboarding.txt file. What happened to the link? Explain. $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$($Insert your screenshot here.$)$

Task $610$ points

Using vim create a script that will be typing $$We wish you a Merry Christmas!$$ until stopped. Name it xmas, and make the file executable

Using vim create a script that will be typing $$Santa Claus is coming to town!$$ until stopped. Name it santa, and make the file executable

Using vim create a script that will be typing $$All I want for Christmas Is You!$$ until stopped. Name it mariah, and make the file executable

Run these scripts in the background of the shell

Show jobs running for these processes

Display the processIDs of the $$xmas$,$santa$,$mariah$$

Stop the $$xmas$$ job

Restart the $$xmas$$ job

Stop the $$santa$$ job

Terminate $$mariah$$ job

Show all currently running processes.

Explain why it is important to be able to view running processes and identify their PID