Introduction Symbolic links, also known as symlinks, are a fundamental part of Linux file system, and they allow users to create shortcuts to files or directories. A symbolic link is a file that points to another file or directory, and it allows users to access a file or directory without ... Read More

As a Linux user, it's essential to understand concept of stream redirections. Stream redirections allow us to manipulate and control input and output streams of Linux commands. It means that we can control where standard input, output, and error streams are going to and coming from. In this article, we'll ... Read More

Linux is an operating system, it become popular for its open-source nature, flexibility, and reliability. Including its many features, Linux also provides powerful tools for managing files and data, including ability to concatenate files. The concatenation is process of joining two or more files together, creating single file that contains ... Read More

When working with files and directories in Linux, it’s important to understand how to set permissions. Permissions define who can access and modify files and directories on a system. In this article, we will go through how to use chown and chmod commands to set permissions on files and directories. ... Read More

Introduction Linux is powerful operating system it provides a variety of command-line tools to managing files or directories. One of most useful tool is find command, it allows users to search any files and directories based on a wide range of search criteria. In this article, you will ... Read More

Introduction Postfix is open-source mail transfer agent (MTA) it allows users to send and receive email on Linux system. It is efficient and easy-to-use solution, it can configured to work with various email providers, including Gmail. In this article, we will show you steps to configure Postfix using Gmail ... Read More

Cable television (TV) networks have been used for data transfer in the past. Cable TV networks were initially designed to transmit television signals, but they have also been used to provide internet access and other types of data transfer services. This is typically done using a technology called "cable modem, ... Read More

Cable television networks are television channels that are delivered to viewers through cable television systems, as opposed to broadcast television, satellite television, or the internet. Some examples of popular cable TV networks in the United States include ESPN, TNT, and HBO. Cable networks can also be divided into categories, such ... Read More

Berkeley's Algorithm is a distributed algorithm for computing the correct time in a network of computers. The algorithm is designed to work in a network where clocks may be running at slightly different rates, and some computers may experience intermittent communication failures. The basic idea behind Berkeley's Algorithm is that ... Read More

The Bifid Cipher is a polygraphic substitution cipher that was invented by the French amateur cryptographer Felix Delastelle at the end of the 19th century. It is considered a polygraphic cipher because it encrypts pairs of letters at a time, rather than single letters like monoalphabetic ciphers such as the ... Read More