what operating system of pcs
Windows OS. Windows OS, computer operating system (OS) developed by Microsoft Corporation to run personal computers (PCs). Featuring the first graphical user interface (GUI) for IBM-compatible PCs, the Windows OS soon dominated the PC market. Approximately 90 percent of PCs run some version of Windows.
Linux is a Unix-like operating system, and there are other open-source operating systems like FreeBSD out there. FreeBSD uses a different kernel, but it uses much of the same software youâd find on a typical Linux distributions. The experience of using FreeBSD on a desktop PC will be pretty similar. Chrome OS.