As already stated in the previous article, the file system consists of two distinct parts: a collection of files, each storing related data, and a directory structure, which organises and provides information about all the files in the system. Now, a disk or a partition containing a file system is generally known as a volume […]
Digital Forensics
File Types and Signatures
As discussed previously, files may contain all different types of data such as images, videos, documents, text files or spreadsheets. Even applications are files. So there is a question of how the Operating System recognises a chunk of data as an image or a text file. File Types The answer is that each file has […]
Introduction to File Systems: File Attributes and Operations
The file system is one of the most visible aspect of an operating system, which provides the mechanism for storage as well as access to both data and programs of the operating system. The file system consists of two distinct parts: a collection of files, each storing related data, and a directory structure, which organizes […]
Types of Operating Systems
An operating system is a program which controls the execution of application programs and acts as an intermediary between the user of a computer and the computer hardware. A program which is being executed is also called a process or job. The different types of Operating Systems are discussed below: Batch Processing Here, in this […]
Introduction to Operating Systems
A computer system consists of three main components, namely, the hardware, the software, and the user. Software can be further divided into mainly two parts: Application software and System Software. Application software are the end-user programs or merely the applications meant to help the user with various tasks, such as creating documents, spreadsheets, etc., whereas system software is responsible […]
Introduction to Computers
A Computer is an advanced electronic device that takes raw data as input from the user and processes it under the control of a set of instructions , also known as program, gives the result (output), and stores the information for future use. The main functions of a computer can, thus, be simplified as follows: […]