It is always a good idea to create a limited guest user account when you are sharing the computer with multiple users. This is to prevent accidental (or intentional) tampering of system configuration which can prevent your Ubuntu Linux operating system from running properly.
Here’s how to setup a limited guest account for your Ubuntu Linux operating system. This guide assumes you are adding a guest account user for your children to play with.
How to Add a Limited User Account
1. From Desktop, go to System, Administration and select “Users and Groups”.
2. You will be shown with user settings dialog. Click “Add User” button
3. Fill in the new user details

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