An operating system is a software which acts as an interface between the user and the hardware. Commonly used operating systems are Windows, MAC- osX, UNIX/Linux.
Hardware comprises of physical devices like CPU, Monitor, printer, mouse etc.,
The user can perform several tasks on hardware using the operating system. This shows that the operating system is an interface between the user and the hardware.
Above mentioned are a couple of operating systems that we know so far and a couple we might encounter over a period in IT industry. There are other operating systems like RTOS, VXWorksetc..Wedin’tspecify here.
In this tutorial, we are going to focus more on Linux based operating systems for enterprise servers.