📝 Linux Exercise: User and Group Management

🎯 Objective

Students will practice creating and managing users and groups in Linux.
They will document (protocol) every command they executed and the output they received.

🔨 Task Instructions

1. Create two new users

Create a user alice with a home directory.
Create a user bob with a home directory.
Set a password for both users.

💡 Commands to use: useradd, passwd

2. Create a new group

Create a group called students.

💡 Command to use: groupadd

3. Add users to groups

Add both alice and bob to the students group as supplementary members.
Change alice’s primary group to students.

💡 Commands to use: usermod -aG, usermod -g

4. Check group memberships

Show which groups alice belongs to.
Show which groups bob belongs to.

💡 Commands to use: groups, id

5. Modify a user account

Rename bob to robert.
Change robert’s home directory to /home/robert_home.

💡 Command to use: usermod

6. Delete a user

Delete alice completely, including her home directory.

💡 Command to use: userdel -r

7. Delete a group

Delete the students group.

💡 Command to use: groupdel

📑 Protocol (What to Hand In)

Each student should keep a protocol (log file or document) with:

Every command they typed.
The output they received.
A short explanation (1–2 sentences) of what the command did.

Example format:

Command: sudo useradd -m alice  
Output: (no output)  
Explanation: Created user 'alice' with a home directory at /home/alice.

✅ Completion Criteria

All required users and groups were created, modified, and deleted.
Protocol includes all commands, outputs, and explanations.
Student can demonstrate understanding of primary group vs supplementary groups.

Deep Thought

Explorer

Linux Exercise 1 - User and Group Management