05- AUGUST 9TH - WEEK 3 CLASS 20 LINUX USER MANAGEMENT AND FILE PERMISSIONS
In this class, we will cover the essential concepts of user management and file permissions in Linux. Understanding these concepts is crucial for maintaining system security and ensuring proper access controls.
Topics to be discussed include:
1. Introduction to Linux User Management
- Understanding users and user groups
- Adding and removing users with useradd and userdel commands
- Modifying user accounts with usermod
2. File Permissions Overview
- Explanation of file permission types: read, write, and execute
- Understanding the permission model: owner, group, and others
- Using the ls -l command to view file permissions
3. Changing File Permissions
- Using chmod to modify permissions
- Numeric vs symbolic modes in chmod
- Setting default permissions with umask
4. Managing User Groups
- Adding and removing users from groups
- Understanding the role of groups in permissions
5. Practical Exercises
- Hands-on tasks for user account creation and deletion
- Exercises to practice changing file permissions
By the end of the class, you should have a solid understanding of how to manage users and file permissions effectively in a Linux environment.