Linux commands

Are you curious about the path your packets take when reaching a specific host on the internet? The traceroute command is an essential tool for tracking the nodes your packets traverse to reach their destination. To make use of the traceroute command, simply enter the following command in your Linux terminal: traceroute <host> This command will collect the necessary information while the packet travels, providing you with valuable insights into the network path....

The diff command is a powerful tool used to compare files and directories in a Linux environment. It can help identify the differences between two files, making it easier to track changes or spot discrepancies. In this article, we will explore how to effectively use the diff command and its various options. Let’s start with a basic example. Imagine you have two files, dogs.txt and moredogs.txt, and you want to find out the difference between them....

In the world of Linux commands, killall serves as a powerful tool for sending signals to multiple running processes simultaneously. While the traditional kill command targets a specific process ID, killall broadens its scope by enabling users to terminate multiple processes at once. Syntax The basic syntax of the killall command is as follows: killall <name> Here, <name> refers to the name of a program or process. For instance, if you have multiple instances of the top program running and want to terminate all of them, you can simply execute killall top....

The tar command is a powerful tool used to create archives by grouping multiple files into a single file. The name “tar” comes from “tape archive,” as archives were originally stored on tapes. In this guide, we will explore various ways to use the tar command effectively. Creating an Archive To create an archive with the name archive.tar and include file1 and file2, you can use the following command: tar -cf archive....

The xargs command is a powerful tool in Linux that allows you to convert input from standard input into arguments for another command. In simpler terms, it takes the output of one command and uses it as the input for another command. This article will guide you through the usage and syntax of the xargs command. Syntax: To use the xargs command, the syntax is as follows: command1 | xargs command2 This uses a pipe (|) to pass the output of command1 as the argument(s) to command2....

The rmdir command is used to delete folders in a Linux environment. Similar to how you can create a folder using the mkdir command, you can remove a folder using rmdir. Let’s take a closer look at how this command works. To delete a single folder, you can use the following command: mkdir fruits rmdir fruits This will create a folder called “fruits” and then remove it. If you have multiple folders that you want to delete, you can do so in one go....

The man command is a valuable tool for developers and users alike to quickly learn how to use command line commands. Whenever you encounter a command you’re unfamiliar with, simply type man <command> to access its manual. The screenshot above showcases just one of the 14 screens of explanation provided for the ls command. These explanations are referred to as man (short for “manual”) pages. While man pages offer an abundance of information, they can sometimes feel overwhelming due to their comprehensive nature....

The who command is an essential tool for displaying the users logged in to the Linux system. Whether you are using a personal computer or a server with multiple users, this command provides valuable information about active sessions. In most cases, as a single user on a personal computer, you will likely be the only one logged in. However, if you have opened multiple shells or terminal windows, each instance will be counted as a separate access, and who will display these details accordingly....

In this article, we will explore the alias command, which is used to create shortcuts to other commands. This can be incredibly useful when you frequently use specific command options or combinations. Let’s consider the ls command as an example. By default, it provides minimal information. However, if you use the -al option, it will display more comprehensive information, including the file modification date, size, owner, permissions, and hidden files (files starting with a ....

In this guide, we will explore the clear command, which is used to clear the terminal screen. By using the clear command, you can remove all the previous commands from your current terminal session. To clear the screen, simply type clear in the terminal and hit enter. Once you do that, the entire screen will be cleared, and you will only see the prompt at the top. This is especially useful when your terminal is cluttered with previous command outputs and you want a clean slate to work with....