Download to read offline
Introduction_to_Linux operating system for naive(1).pptx
- 1.
- 2. What is Linux? •- Linux is an open-source, Unix-like operating system. • - Created by Linus Torvalds in 1991. • - Known for stability, security, and flexibility. • - Used on servers, desktops, and embedded systems.
- 3. Features of Linux •- Open Source and Free • - Multi-user and Multi-tasking • - Highly Secure and Stable • - Customizable and Modular • - Command-Line Interface (CLI) and Graphical User Interface (GUI)
- 4. Linux File SystemStructure • - Root Directory: / • - /home: User Files • - /etc: Configuration Files • - /var: Variable Data • - /usr: User Programs and Utilities
- 5. Basic Linux Commands •- ls: List Files • - cd: Change Directory • - pwd: Print Working Directory • - mkdir: Create Directory • - rm: Remove Files/Directories
- 6. User Management inLinux • - whoami: Display Current User • - adduser: Add a New User • - passwd: Change Password • - userdel: Delete a User • - sudo: Execute as Superuser
- 7. Package Management • -apt: Debian/Ubuntu • - yum/dnf: RHEL/Fedora • - pacman: Arch Linux • - Install Example: sudo apt install <package> • - Update Example: sudo apt update && sudo apt upgrade
- 8. Process Management • -ps: View Running Processes • - top: Real-Time Process Monitoring • - kill: Terminate a Process • - htop: Interactive Process Viewer • - Example: kill <PID>
- 9. File Permissions inLinux • - Read (r), Write (w), Execute (x) • - chmod: Change Permissions • - chown: Change Ownership • - Example: chmod +x script.sh • - View Permissions: ls -l
- 10. Popular Linux Distributions •- Ubuntu (User-Friendly) • - Fedora (Cutting Edge) • - Debian (Stable Base) • - Arch Linux (Customizable) • - CentOS (Enterprise)
- 11. Why Use Linux? •- Free and Open Source • - Security and Privacy • - Lightweight and Fast • - Ideal for Servers and Development • - Large Community Support