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Operating System Articles
Page 101 of 171
Difference between CSH and BASH
Linux is a popular operating system among computer enthusiasts. It is a free and open operating system. Shells are the screens that we utilize to control an operating system. Shells are CSH and BASH. Shells act as a channel for communication between programmers and the device. We issue orders and obtain results. The C-shell was named after the C programming syntax. One of its many benefits is the ability to regulate jobs. It may be accessed via script shell command runner and interactive shell login. It might not be easy to use at times. Bash is a shell software similar ...
Read MoreHow to setup firewall in Linux?
Firewalls are an integral component of every contemporary computer system, safeguarding the network and protecting the system from illegal access. We'll take a deep dive into the realm of Linux firewalls and learn how to configure one in this post. Before we involve into the technical details of establishing a firewall in Linux, let us clarify what a firewall is and why it is so important! A firewall is a network security device that monitors and restricts network traffic based on predefined security rules. A firewall's principal function is to block unauthorised access to a computer system or network while ...
Read MoreThe echo Command in Linux
Introduction The echo command is a fundamental command in Linux that is used to send text or variables to the terminal. It is one of the most basic and essential Linux commands, and mastering it is imperative for beginners to navigate the command line more easily. In this post, we'll take a closer look at the use and advanced features of the echo command. Basic use of echo command The echo command is used to print text to the terminal. It can be used with both single and double quotes, with double quotes allowing the use of variables and special ...
Read MoreLinux watch Command
Introduction The watch command in Linux is a powerful tool that allows you to execute a program periodically, showing output in fullscreen. This command runs the specified command repeatedly, displaying its output and errors. By default, the specified command runs every two seconds and watch runs until interrupted. In this article, we will explore the various options and uses of the watch command. Syntax of watch command The basic syntax of the watch command is − $ watch [options] command The watch command has several options that can be used to customize its behavior. These include − -d, ...
Read MoreSoft-Delete Files from the Terminal on Linux
Introduction When working with files in the terminal on Linux, there may be times when you want to delete a file but also keep a copy of it just in case. This is where the concept of "soft delete" comes into play. A soft delete allows you to move a file to a designated recycle bin or trash, instead of permanently deleting it. That way, if you accidentally delete a file, you can easily get it back. In this article, we will explore how to delete files from the terminal on Linux using the "trash-put" command. We will also discuss ...
Read MoreGuide to the Linux touch Command
Introduction The Linux touch command is a versatile tool that allows you to create new files and update timestamps on existing files. In this guide we will explain the basic use of the touch command and some of its advanced options. We will also provide examples of how to use the command and show the corresponding output. By the end of this guide, you'll have a solid understanding of how to use the touch command to manage files on your Linux system. Basic usage touch command The basic syntax of the touch command is as follows − $ touch [options] ...
Read MoreDate Command in Linux
Introduction The "date" command in Linux is a simple but powerful tool used to display the current date and time, as well as set the system date and time. This command is extremely useful for troubleshooting and system administration tasks, and is a vital tool in understanding any Linux user. In this article, we'll discuss the basic usage of the date command, as well as some of its more advanced options and features. We'll also cover some examples of how the date command can be used in real-world scenarios. Basic usage of date command The date command is one of ...
Read MoreUsing Shebang #! in Linux Scripts
Introduction On Linux, a shebang (#!) is a special line at the beginning of a script that tells the operating system which interpreter to use when executing the script. This line, also known as a hashbang, shabang or "sharp-exclamation", is the first line of a dash and starts with "#!" followed by the path to the interpreter. The Shebang line is important because it allows you to run scripts written in any language, not just shell scripts, on a Linux system. Understanding Shebang What is a Shebang? The Shebang “#!” The symbol indicates which interpreter, or which version of an ...
Read MoreTransfer Files Between Linux Machines Over SSH
Introduction Transferring files between Linux machines over SSH is a common task for system administrators and developers. SSH (Secure Shell) is a protocol that allows you to securely transfer files between machines, as well as remotely access and manage them. In this article, we will explore different ways to transfer files over SSH and demonstrate the process with examples and commands. Setting up SSH Before you can transfer files over SSH, you need to set up SSH on both the source and destination machines. SSH is a secure communication protocol that allows you to remotely access and manage your Linux ...
Read MoreShutdown and Reboot Linux Systems From the Terminal
Introduction In this article, we will discuss how to shut down and restart Linux systems from the terminal. The ability to shut down and restart a system from the command line can be useful in a variety of situations, such as when the GUI is unavailable or when automating tasks via Linux shell scripts. Overview Linux is a fairly robust operating system, and as such, rebooting Linux servers is rarely necessary. However, sometimes there are reasons why you need to restart your system. For example, if we are running Linux on our personal computer, restarting and shutting down the system ...
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