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Articles on Trending Technologies
Technical articles with clear explanations and examples
AMP - A Vi/Vim Inspired Text Editor for Linux Terminal
AMP (Another Microscopic Editor) is a Vi/Vim inspired text editor designed specifically for the Linux terminal. This open-source, lightweight editor combines the familiar command structure of Vim with modern enhancements, making it an excellent choice for developers and system administrators who prefer command-line tools for their speed and efficiency. AMP lives up to its name by being microscopic in size yet powerful in functionality. It provides a terminal-based editing environment that feels familiar to Vim users while offering some unique features that enhance productivity. Installing AMP AMP can be installed on most Linux distributions using the package ...
Read More10 Basic Interview Questions with Answers on Linux Networking
Linux is a widely used operating system, and networking is a crucial aspect of it. The ability to understand and troubleshoot Linux networking is a valuable skill for any IT professional. In this article, we will cover some basic interview questions on Linux networking, along with their answers and examples. What is the purpose of the ifconfig command, and how is it used? The ifconfig command is used to configure and manage network interfaces on Linux. It can be used to view the current network configuration, assign IP addresses, configure network interfaces, and set other network-related parameters. Here ...
Read MoreMemory Management: Background
Memory management is a fundamental aspect of operating systems that controls how memory resources are allocated, tracked, and released. It ensures that programs have access to the memory they need while maintaining system stability and performance. The operating system acts as a mediator between applications and the physical memory, managing both primary memory (RAM) and secondary storage to optimize overall system efficiency. How Memory Management Works The operating system divides memory into different regions and assigns these areas to applications and processes as needed. It maintains data structures to track which memory locations are free, which are allocated, ...
Read MoreHow to Git Stash Specific Files?
Git is a popular version control system used by developers to track changes in their codebase. Git Stash is a feature that allows developers to temporarily save changes they have made to their working directory, without committing them to the repository. This feature is useful when developers need to switch to a different branch or work on another feature, but don't want to commit untested changes. When using Git Stash, all changes in the working directory are saved as a "stash" which can be retrieved later. This allows developers to work on multiple features simultaneously without having unfinished or ...
Read MoreHow to limit the number of results returned from grep in Linux?
The grep command in Linux is a powerful text search utility used to filter and search for specific patterns in files. When working with large files or datasets, you may want to limit the number of results returned to make the output more manageable and focused. The grep command searches for lines containing a specified pattern (regular expression) and displays matching results. By default, it returns all matching lines, but Linux provides several options to limit and control the output. Syntax grep [options] pattern [files] Common Grep Options Option Description ...
Read MoreMicrosoft, Device Health for Windows 8.1
Microsoft Device Health for Windows 8.1 is a security service designed to enhance online banking and financial transaction safety. This Windows-based service monitors PC security status and provides device health information to certified e-commerce and online banking partners, enabling them to assess device security before allowing sensitive transactions. Device Health acts as a protective layer between users and their financial accounts by evaluating system security and alerting both users and banking websites about potential security risks on the device. How Device Health Works Device Health Security Flow ...
Read MoreMeasure CPU usage for a process on Linux?
On modern multi-core CPUs, monitoring CPU usage of individual cores for specific processes is essential for performance analysis and identifying system bottlenecks. This article demonstrates how to measure CPU core usage for processes on Linux using various command-line tools. Monitoring CPU Usage with top Command The top command is the most common tool for monitoring system resources. By default, it shows aggregate CPU usage, but you can view per-core statistics. To display individual CPU core usage, run top and press 1 to toggle per-core view: $ top Then press 1 to see individual ...
Read MoreGuide to Generate Random Numbers in Linux
In Linux, you can generate random numbers using several built-in methods and special files. Linux provides both pseudorandom and cryptographically secure random number generation through various commands and system interfaces. Understanding the differences between these methods helps you choose the right approach for your specific use case. $RANDOM in Bash The $RANDOM variable is a built-in Bash variable that generates pseudorandom numbers between 0 and 32767. This is the simplest method for basic random number generation in shell scripts. Basic Usage # Generate random number between 0-32767 echo $RANDOM # Generate random number in ...
Read MoreIntroduction to fzf command in Linux
fzf is a command-line fuzzy finder that revolutionizes how you search and navigate through files, directories, and data in Linux. Unlike traditional command-line tools that require exact matches, fzf uses intelligent fuzzy matching to help you find what you need quickly, even with partial or approximate input. What is fzf? fzf is a fast, portable command-line fuzzy finder written in Go. It acts as an interactive filter that can process any list of items − files, command history, processes, Git branches, or custom data. The tool uses sophisticated ranking algorithms to present the most relevant results first, making ...
Read MorePipes and Redirection in Linux
Pipes and redirection are fundamental mechanisms in Linux that enable efficient command-line operations. The pipe operator (|) allows the output of one command to serve as input to another command, creating powerful command chains. Redirection operators (>, >>, >> Redirect output (overwrite) Redirect output (append) Redirect input (from file) Redirect errors (STDERR) Output Redirection ls > file.txt echo "text" >> file.txt ...
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