If you’re a SQL Server professional you may have already familiar with SQLOS. At least you might have heard it but may not know much about it. However everyone familiar with the Windows OS but again may not know much technical aspect of Windows. Windows is a general purpose OS designed to install application programs and manage them. E.g. you can install MS Office into your computer only after configuring Windows OS.
When you execute an application it creates a process in Windows OS. Until such time it is in inactive state (stored in storage). Let’s consider SQL Server. It is just another application as far as Windows is concerned. SQL Server process will create in Windows as soon as you start SQL Server. You can simply see the processes in Windows Task Manager. (See Figure 1.1)