Operating System Structure

OS provides the computing environment. They are organized in many ways in different systems, but a few things are common for all OS. In a single user system, the CPU sits idle when I/O is working or vice-versa. The CPU utilization increase with multi programming systems. A subset of jobs from a pool of jobs … Read more

Operating System Concepts

An operating system is system software that ensures the smooth functioning of a computer system. In earlier days of computing, the only job of a computer was to compile source code into a program. There were programs to do other tasks such as printing, loading source code, etc. These programs are called system programs because … Read more