Operating System

A thread is a single sequential flow of control within a program. A thread is the smallest unit of processing that can be performed in … Read more

Program which is under execution is known as process. Two conditions for process Attributes of process: Description about process attributes is given below 1. Process … Read more

A directory or storage device can be used in its entirety for a file system. It can also be subdivided. For example, A disk can … Read more

In contiguous disk space allocation method, files are assigned to contiguous areas of secondary storage. A user specifies in advance the size of the area … Read more

File Systems:  A filesystem is the methods and data structures that an operating system uses to keep track of files on a disk or partition, … Read more

Different Types of OS:  Some of the most widely used types of Operating system. Simple Batch System Multiprogramming Batch System Multiprocessor System Distributed Operating System … Read more

Evolution of OS is divided in 5 phases: Phase 0: (1940-1955):  Computers are exotic experimental equipment.  Program in machine language.  Use plug boards to direct … Read more

Functions of OS 1. Booting Booting is a process of starting the computer operating system starts the computer to work. It checks the computer and … Read more