Welcome to sysdl.epicsite.xyz
What is an Operating System?
The Operating System is the low-level software that supports a computer's basic functions, such as scheduling tasks and controlling peripherals.
Usually very advanced people use Linux like hackers as it is a very secure OS and there is almost no data collection.
Usually the people who are in to the apple ecosystem use macOS or people who have software on macs than are not on windows like Final Cut Pro.
The most used and wide spread operating system, it is compatible with almost everything and everyone likes it.
Here on this website you can download some Operating Systems for testing or for installing on an actual computer.