If needed to run Ubuntu on internet: https://www.onworks.net/playonline/index.php

Practical learning of Linux:

https://www.youtube.com/live/EjHCteafXQ8?si=EVMi2esDuVnQedjl

Learn more and clear concept with this channel:

https://youtu.be/HbgzrKJvDRw?si=m5Ps8ufOUi7sVdpY

Documenting the learning of Linux(The Kernel):

Operating System:

• An OS is system software that manages computer hardware and software resources and provides common services for computer programs.
• In simple words: An OS is software that acts as a middleman or a bridge between computer hardware and the computer user. It provides a user interface and controls the computer hardware so that software can function

Types of OS:

1. Desktop OS: Windows, macOS, Linux such as Ubuntu
2. Server OS: Windows server, Linux distributions like CentOs, Red Hat Enterprise Linux