Found 2065 Articles for Operating System

If you're a Linux or Unix user, you're probably familiar with Bash, command-line shell that's commonly used on these systems. Bash has a lot of powerful features that can make working on command line much more efficient, and one of those features is called a "HereDoc." In this tutorial, we'll explain what a HereDoc is, how it works, and give you some examples of how you can use it in your Bash scripts. What is a HereDoc? A HereDoc, short for "Here Document, " is a way to include a block of text within a Bash script. This block of ... Read More

Bash functions are an essential feature of Bash shell, allowing you to group commands and reuse them throughout your scripts. A Bash function is essentially a block of code that can be called and executed at any point in your script. In this article, we will explore basics of Bash functions and learn how to use them effectively. Defining a Bash Function To define a Bash function, you need to use function keyword followed by name of your function and code that you want to execute. Here's an example of how to define a simple Bash function − function greet ... Read More

Bash is one of most commonly used shells in Unix-based operating systems. It is a command-line interface that allows users to interact with system and execute various commands. Bash is an essential tool for system administrators, developers, and programmers. One of features of Bash is ability to export variables. In this article, we will discuss basics of exporting variables in Bash, how it works, and examples of how to use it. What is a Bash Export Variable? A Bash export variable is a variable that is made available to all child processes of current shell. When a variable is exported, ... Read More

As a Linux user, you've probably heard of Bash shell. Bash is a powerful tool that allows you to perform a variety of tasks on your system. One of most useful features of Bash is declare statement. In this article, we'll explore what declare statement is, how it works, and provide examples of how you can use it in your scripts. What is Declare Statement? The declare statement is a built-in Bash command that allows you to set attributes for variables. When you declare a variable, you are telling Bash to treat that variable in a certain way. For example, ... Read More

Bash is a popular command-line interface shell that is used extensively in Linux and Unix operating systems. One of most useful features of Bash is its ability to execute loops, which allow you to automate repetitive tasks. However, sometimes you may want to interrupt a loop and then continue it later. This is where Bash continue statement comes in handy. In this article, we will explore how to use Bash continue statement to resume a loop. What is a Bash Loop? Before we dive into details of Bash continue statement, it's important to understand what a Bash loop is. A ... Read More

If you are a Linux or Unix user, then you might be familiar with Bash shell. Bash is a popular command-line interpreter that is widely used in Linux, macOS, and other Unix-like operating systems. It is a powerful tool for running scripts, automating tasks, and working with command line. One of most common use cases for Bash is working with loops, which allow you to repeat a set of instructions multiple times. However, sometimes you might need to break out of a loop before it has finished executing. In this article, we will explore how to exit from a loop ... Read More

As world continues to embrace digital transformation, more businesses are moving their applications and services to cloud. However, some companies still require their own dedicated hardware to host their applications. This is where bare metal servers come in. Bare metal servers are physical servers that are not virtualized and are dedicated to a single customer. Bare metal servers are becoming more popular as they offer higher performance, reliability, and security than virtualized servers. However, managing bare metal servers can be challenging, especially when it comes to billing. To address this, many hosting providers offer a bare metal billing client portal. ... Read More

Bandwidth is a crucial factor when it comes to network utilization. It determines amount of data that can be transmitted through a network connection in a given time frame. Linux provides a range of network tools to monitor and manage bandwidth utilization. Among these tools, Bandwidth is a reliable and versatile command-line utility that helps users to monitor and analyze network bandwidth usage on Linux systems. In this article, we will explore Bandwidth tool, its features, installation process, and usage. We will also discuss some practical examples of using Bandwidth to manage and optimize network bandwidth utilization. What is Bandwidth? ... Read More

If you're a Linux user who often downloads files from web, you might be familiar with slow download speeds that come with it. Fortunately, there's a tool called Axel that can help you accelerate your file downloads from command line. In this article, we'll discuss what Axel is, how it works, and how you can use it to speed up your downloads. What is Axel? Axel is a command-line tool that is used to accelerate file downloads in Linux. It is a lightweight and fast download accelerator that splits a single file into multiple parts and downloads them simultaneously. This ... Read More

If you're working with Linux, then you may have come across AWK command. AWK is a powerful text processing tool that is used for a variety of tasks such as filtering, manipulating and transforming data. In this article, we'll explore AWK command in detail, including its syntax, functions, and examples of its use. What is AWK Command in Linux? AWK is a programming language and tool that is used for text processing and data manipulation. It is typically used for extracting and manipulating data from text files, but it can also be used for more complex tasks such as generating ... Read More