OPERATING SYSTEM DEFINITION (CONT.) o No universally accepted definition o"Everything a vendor ships when you order an operating system"is good approximation 。But varies wildly o "The one program running at all times on the computer"is the kernel.Everything else is either a system program (ships with the operating system)or an application programOPERATING SYSTEM DEFINITION (CONT.) No universally accepted definition “Everything a vendor ships when you order an operating system” is good approximation But varies wildly “The one program running at all times on the computer” is the kernel. Everything else is either a system program (ships with the operating system) or an application program