The sed (stream editor) command in Linux is a powerful utility used for parsing and transforming text from input streams or files. It is widely used for tasks like text substitution, insertion, deletion, and complex text manipulations. sed operates line by line, making it ideal for processing large files efficiently. The sed command is an […]
The Internet Protocol version 4 (IPv4) is one of the core protocols that enable the functioning of the Internet and private networks. IPv4 is used to assign a unique address to each device connected to a network. An IPv4 address is typically written as four decimal numbers separated by periods (e.g., 192.168.1.1), with each number […]
The Nmap (Network Mapper) command is one of the most powerful and widely used tools in the Linux environment for network exploration and security auditing. nmap is often used for tasks like discovering hosts and services on a computer network, managing network inventory, and conducting security assessments. This tool can scan a range of IP […]
The scp (secure copy) command in Linux is a powerful and widely used tool for transferring files and directories securely between remote and local systems or between two remote systems. Leveraging SSH (Secure Shell), SCP ensures that your file transfers are encrypted, making it a reliable and secure option for file movement. This user guide […]
The head command in Linux is a simple yet powerful utility used to display the first few lines of a text file or output. It’s commonly used when you want to quickly preview a file without opening the entire content, making it invaluable for administrators and developers. This guide will walk you through how to […]