Throughout this course, you have gained a foundational understanding of Linux. Let’s revisit the major topics covered:

1. Introduction to Linux:

   • History and evolution of Linux.

   • cThe open-source philosophy and Linux distributions.

2. Working with the Linux Command Line:

   • Basic commands for file and directory management.

   • Command-line navigation and shortcuts.

3. File System Structure:

   • Understanding the Linux directory hierarchy.

   • Essential directories like /home, /etc, and /var.

4. File Permissions and Ownership:

   • Managing file access with chmod, chown, and umask.

5. Advanced Commands and Utilities:

   • Tools for text processing, file synchronization, and system monitoring.

6. Shell Scripting Basics:

   • Writing and executing basic shell scripts for task automation.

7. Package Management:

   • Installing and managing software using package managers like apt and yum.

8. Networking Basics:

   • Configuring network interfaces and troubleshooting connectivity.

9. Linux Security:

   • Implementing SSH security, managing firewalls, and monitoring system activity.