DNS DNS(Domain Name System) is a hierarchical system used to translate human-readable domain names (e.g., example.com) into their respective machine-readable IP addresses (e.g., 192.0.2.1). In other words, a DNS Server resolves domain names into IP addresses and vice versa. Structure/Components of DNS DNS consists of several components:- Zones and Domains: A Read more…
Introduction Managing partitions in Linux is a critical system administration task that involves dividing physical storage devices into logical sections called partitions. Proper partition management ensures efficient disk usage, better performance, improved security, and reliable system operation. Partitioning is essential for organizing disk storage in Linux. It allows us to Read more…
Linux permissions are a fundamental aspect of system security and user management. Basic Linux Permissions Linux employs a three-tiered permission system to control access to files and directories. Each file or directory has three main permission types: Permission Types Read (r): This permission allows viewing the contents of a file Read more…
Example : A program in VB .Net to show both Subroutine and Function Procedure. Example : A program in VB .Net to show Parameterized Subroutine Procedure. Example : A program in VB .Net to show Non-Parameterized using Subroutine Procedure. Example : A program in VB .Net to show Optional and Read more…
Users and their Types (A.) Users and their Types in Linux Understanding user types and their roles is critical for securing and managing a Linux system effectively. In Linux, users represent accounts that can log into and perform operations on the system. Users are a fundamental concept in Linux for Read more…
Example : A function program in Python is used to show the Default Argument/Parameter. Example : A user-defined function(UDF) program in Python is used to show the addition result of two user-accepted values. Example : A UDF program in Python to show whether the accepted single value is Odd or Even. Example : Read more…
Definition of Function in Python A function is a block of reusable code that performs a specific task. Functions are essential for writing efficient, modular, and maintainable Python code. They make programs more structured, easier to debug, and reusable, which is crucial for both small scripts and large software projects. Read more…
CyberSpace/CyberWorld The “cyber world,” is often used interchangeably with “cyberspace”. Cyberspace has become a fundamental part of modern life, transforming how we communicate, conduct business, access information, and perform daily activities. Cyberspace is the virtual environment created by interconnected digital technologies, including the internet, telecommunications networks, computer systems, and digital Read more…
Linux Files and Directory System Linux OS comes with a well-defined file structure where user files are arranged in a definite directory structure. According to the type of files, the directories are categorized as Binary directories, configuration directories, Data directories, memory directories, USR (Unix System Resources), var(variable directory), and non-standard directories. Read more…