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Articles by Satish Kumar
Page 53 of 94
A Career in Linux is What You Should Be Pursuing In 2023
Are you looking for a career that's in demand and offers great opportunities for growth? Look no further than a career in Linux! In 2023, Linux is more important than ever, and pursuing a career in this field could be key to unlocking a world of opportunities. What is Linux, and Why is it Important? Linux is an open-source operating system that powers a vast array of devices, from smartphones and tablets to servers and supercomputers. It was first developed in early 1990s by Linus Torvalds, and since then, it has become backbone of internet, powering many of world's most ...
Read MoreA Brief Introduction to \'Makefiles\' in Open Source Software Development
As an open-source developer, you might have come across term "Makefile" while exploring different projects. But what exactly is a Makefile, and how does it work? In this article, we will provide a brief introduction to Makefiles, covering what they are, why they are important, and how to create one. What is a Makefile? In simple terms, a Makefile is a script that automates build process for a software project. It contains a list of instructions that specify how to compile, link, and test code. Makefiles are used to build complex projects that have multiple source files, dependencies, and targets. ...
Read MoreA Beginners Guide to Snaps in Linux
If you're new to Linux, you may have heard term "snap" being used, but may not be sure exactly what it is. In simple terms, snaps are a type of universal package format for Linux systems that make it easy to install and manage applications. In this beginner's guide, we'll take a closer look at what snaps are, how to use them, and why they're important. What are Snaps? Snaps are a type of package format that make it easier to install and manage applications on Linux systems. They were created by Canonical, company behind Ubuntu, but are now supported ...
Read MoreBash trap Command Explained
Bash is a powerful shell used in Linux systems for executing commands and managing processes. trap command in Bash is a useful tool for handling signals and errors that can occur during script execution. In this article, we'll explain what Bash trap command is, how it works, and give some examples of how you can use it. What is Bash Trap Command? The Bash trap command is a mechanism that allows you to handle signals and errors that can occur during script execution. Signals are software interrupts that are sent to a process to notify it of an event, such ...
Read MoreBash wait Command with Examples
Introduction The Bash shell is one of most widely used shells in Unix/Linux environment. One of its most useful commands is wait command. In this article, we will explore Bash wait command and its usage with examples. What is Bash wait Command? The wait command is a built-in Bash shell command that waits for termination of a background process. This means that Bash shell will pause execution until specified process has completed. Usage of Bash wait Command The basic syntax of wait command is as follows − wait [n] Here, 'n' is process ID of background process that we ...
Read MoreBash String Comparison
When it comes to programming in Bash, string comparison is a fundamental concept that every developer needs to be familiar with. Bash string comparison involves comparing two strings and evaluating whether they are equal, not equal, greater than, or less than each other. Understanding how to compare strings in Bash is essential for writing reliable and robust scripts. In this article, we'll explore basics of Bash string comparison and provide examples to help you understand concept better. We'll start with an introduction to comparison operators and then move on to different types of string comparison techniques. Comparison Operators Bash provides ...
Read MoreBash Printf - How to Print a Variable in Bash
Printing variables in Bash is a common task when working with shell scripts. Bash printf command is a powerful tool that allows you to print variables with precision and formatting options. In this article, we will explore how to use Bash printf to print variables in various ways. What is Bash Printf? Bash printf is a command-line utility that is used to format and print text on terminal. It is a built-in command in Bash, which means that it is available in every Bash shell session without need for any external dependencies. The printf command is similar to echo command, ...
Read MoreBash Single vs. Double Quotes What\'s Difference
If you've spent any time using Bash, you've probably noticed that there are two types of quotes you can use when defining variables or passing arguments to commands: single quotes (' ') and double quotes (" "). At first glance, these quotes might seem interchangeable, but there are actually some key differences between them that can impact behavior of your Bash commands. In this article, we'll explore those differences and explain when you should use single quotes, when you should use double quotes, and what happens when you mix them up. Defining Single and Double Quotes Before we dive into ...
Read MoreBash Script for Loop Explained with Examples
If you're a Linux or Unix user, chances are you've used Bash at least once or twice. Bash is a command-line shell that lets you interact with your operating system in a more direct and powerful way than using a graphical user interface. One of most powerful features of Bash is for loop, which lets you automate repetitive tasks by iterating over a list of values. In this article, we'll explore how Bash for loop works and provide some examples of how you can use it in your own scripts. What is a For Loop? A for loop is a ...
Read MoreBCC – Dynamic Tracing Tools for Linux Performance Monitoring, Networking and More
If you are a Linux user or administrator, you might have heard of term "BCC tools" or "BPF Compiler Collection." BCC is a powerful set of dynamic tracing tools that provides a simple yet effective way to monitor system performance, networking, and much more. In this article, we will discuss what BCC tools are, their benefits, and how to use them with examples. What are BCC Tools? BCC (BPF Compiler Collection) is a set of dynamic tracing tools built on top of eBPF (extended Berkeley Packet Filter) technology in Linux kernel. eBPF is a virtual machine that runs inside kernel ...
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