Operating Systems Theory and Design Final
F eatures of Contemporary Operating Systems Operating systems are built to act as an interface between the software and hardware in a computer system. The very core of an operating system is known as the kernel. It operates behind the scenes managing processes, memory, files, and input/output devic es. The kernel operates in a privilege mode that is separate from the user mode. This prevents the user o r any applications from directly accessing hardware which can cause major problems. Most modern operating systems are modular and use various smaller systems to manage all the resources and software a computer uses . Resource allocation is an important part of what ...