A brief presentation for the Ubuntu operating system which basically operate with Linux OS.

1. Ubuntu Operating System

2. List of Contents
• Introduction to operating system.
• Types of Operating System.
• Introduction of Ubuntu OS.
• History of Ubuntu Operating System.
• Features of Ubuntu OS.
• Management of Processes.
• Memory.
• Disk.
• Input/Output.
• Pros & Cons.
• Limitations.
• Improvements.

3. Introduction to OS:
• Manages Software and Hardware.
• Act as intermediary between computer user and hardware.
• Difficult to access hardware without OS.
• Resource management done by OS.
• Provide interactive GUI to the user.

4. Types of operating system:
• Batch operating system.
• Server operating system.
• Mobile operating system.
• Real-time operating system.
• Embedded operating system.
• Distributed operating system.
• Personal computer operating system.

5. Introduction to Ubuntu OS:
• Alternative to MS Windows and Mac OS X
• Free open source operating system.
• Linux based kernel.
• Global community of developers.
• Application can be installed on one-click.
• Known for security, stability and ease of use.
• Provide interactive and user friendly GUI.

6. History Ubuntu OS:
• Started in 2004 by Mark Shuttleworth.
• Initial version of Ubuntu OS was 4.10.
• Released in October 2004.
• Based on Debian
• Used the environment of GNOME.
• Ubuntu provides user-friendly experience to its users.
• As open source it is still using world-wide.

7. Features of Ubuntu:
• Easy to use.
• Free and open-source software.
• Customizable.
• Regular releases.
• Strong security.
• Compatibility.
• Cloud integration.
• System-wide updates.
• Accessibility features.

8. Management of processes.
• Process Creation.
• Process Scheduling.
• Process States.
• Context Switching.

9. Memory:
• Virtual Memory.
• Memory Allocation.
• Shared Memory.
• Memory compression.
• Memory swapping.

10. Disk:
 Disk Partitioning.
 Disk Encryption.
 Disk Quotas.
 Disk Clean-up.
 Disk Mounting.
 File System Check.

11. Input and output:
 Device Drivers.
 Buffering.
 Caching.
 I/O Scheduling.
 Disk and File System Optimization.
 File System Monitoring.

12. Pros:
• Open source.
• Security.
• User-friendly.
• Compatibility.
Cons:
• Limited support.
• Learnings Curve.
• Hardware Compatibility.

13. Limitations:
• Performance.
• Software Availability.
• Compatibility with other systems.

14. Improvements:
• Performance.
• Software Availability.
• User support.