Introduction In the world of Linux, the ‘who’ command is a handy tool used to display information about currently logged-in users on the system. It provides details such as username, terminal, log...

Introduction In JavaScript, objects and arrays play a crucial role in storing and manipulating data. Objects are complex data types that allow us to store key-value pairs, while arrays are ordered...

What is JavaScript? JavaScript is a high-level, interpreted programming language that is commonly used in web development to add interactivity and dynamic behavior to websites. It is a versatile ...

Introduction The printf function in Linux is a powerful tool for formatting and printing output in the terminal. It is a part of the C standard library and is widely used in programming for displa...

Introduction Unit testing is an essential practice in software development where individual units of source code are tested to ensure they function correctly in isolation. In Python, one popular t...

Overview The pwd command in Linux stands for “print working directory” and is used to display the current working directory in the terminal. This command can be quite handy when navigating through...

Introduction The tar command in Linux is a powerful tool used for creating and manipulating archive files. It stands for “tape archive” and is commonly used for compressing and decompressing files...

What is strace? strace is a powerful command-line tool in Linux that allows users to trace and debug system calls and signals made by a process. By intercepting and recording system calls as they ...

Introduction WebSockets are a powerful technology that enables bidirectional communication between a web client and a server over a single, long-lived connection. This allows for real-time data tr...

Introduction In Linux, the ‘lsof’ command stands for “list open files”. It is a powerful tool that helps in displaying information about files that are opened by various processes on your system. ...