The computer's master control program. When a computer is turned on, a small "boot program" loads the operating system. Although additional system modules may be loaded as needed, the main part ...

Memory is broken up into fixed-size blocks, known as pages. Different operating systems allocate their own size to pages. For example, memory pages in modern operating systems are typically 4 ...

Operating system software controls programs such as web services, email, and file sharing. Operating system software provides the link between the computer’s physical devices or drivers and the ...