Operating System

System software is software that allows users to interact with the computer’s hardware. We all are aware that computer understands machine language only. Machine language includes instructions in the form of strings of 0s and 1s. However, machine language is quite difficult for a general user. So, the user instructs its need to the computer in a high-level language that the … [Read more...] about System Software

Scheduling in operating system is the process of selecting a process from a ready queue. And allotting CPU to this process for execution. The operating system schedules the processes in such a way that the CPU doesn't sit idle. And keeps processing some or the other process. Scheduling is an important part of an operating system. As perfect scheduling increases the … [Read more...] about Scheduling in Operating System

A process in operating system is a program that is currently in the execution phase. The operating system maintains a table that has an entry of each process in the system. This entry has information about the particular process. In this context, we will discuss the operating system's process. Along with process types, its life cycle, its states and the associated … [Read more...] about Process in Operating System

A system call is a function used by the user program to request the operating system's services. System call creates an interface that helps user programmers to communicate with the operating system to request its services. System calls are always executed in the kernel mode of the operating system. In this context, we will be discussing the system call, and how to invoke … [Read more...] about System Call in Operating System

The operating system structure illustrates the organization of modules inside it. The structure of the operating system varies from system to system. Engineers design it more carefully. So that the operating system functions properly and adopts the modification easily. We will be discussing different structures of the operating systems. We will learn how are modules … [Read more...] about Operating System Structure