Managing File Ownership and Permissions

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Managing File Ownership and Permissions

In this hands-on lab, we will practice managing Linux file and directory ownership and permissions. Having a solid understanding of ownership and permissions is a fundamental skill for Linux systems administration.

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Lab Info

Level

Beginner

Last updated

Jun 02, 2025

Duration

1h 45m

Challenge

Lock Bill's, Susan's, and Juan’s Accounts
1. Run the following command:
```
for i in bill susan juan; do sudo passwd -l $i; done
```
Challenge

Create Accounts for Nancy, Greg, and Jeremy
1. Run the following commands:
```
sudo useradd -m nancy
```
```
sudo useradd -m greg
```
```
sudo useradd -m jeremy
```
Challenge

Remove Bill as a User and Transfer Ownership of his Home Directory
1. Remove the user bill.
```
sudo userdel bill
```
1. Change the ownership of Bill's home directory (recursively) to the user nancy and the group jason.
```
sudo chown -R nancy:jason /home/bill
```
1. Change the mode of the directory to grant read and execute permissions to the group.
```
sudo chmod g+rx /home/bill
```
Challenge

Remove Susan as a User and Transfer Ownership of her Home Directory
1. Remove the user susan.
```
sudo userdel susan
```
1. Change the ownership of Susan's home directory (recursively) to the user greg and the group jason.
```
sudo chown -R greg:jason /home/susan
```
1. Change the mode of the directory to grant read and execute permissions to the group.
```
sudo chmod g+rx /home/susan
```
Challenge

Remove Juan as a User and Transfer Ownership of His Home Directory
1. Remove the user juan.
```
sudo userdel juan
```
1. Change the ownership of Juan's home directory (recursively) to the user jeremy and the group sally.
```
sudo chown -R jeremy:sally /home/juan
```
1. Change the mode of the directory to grant read and execute permissions to the group.
```
sudo chmod g+rx /home/juan
```

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