- Linux Command Basics & Intro
- Linux Command List with Explanations of Commands
- 10 Tips for Working With Linux Commands
- The Art of Learning Linux Commands
Linux Command Basics & Intro
Linux is an open-source operating system that has been around since the early 1990s. It’s used by millions of people around the world, from home users to large corporations. With Linux, you can do almost anything you want – from creating websites to playing games.
One of the great things about Linux is that it comes with a set of powerful commands that allow you to do all sorts of things. In this article, we’ll take a look at some of the most useful Linux commands and how they can be used in everyday tasks. We’ll also go over why using Linux is crucial and why it’s grown to be so well-liked over time.
Linux Command List with Explanations of Commands
Due to its adaptability, security, and customization, Linux is a popular open-source operating system among developers, system administrators, and IT professionals.
We’ll cover through a few of the most popular Linux commands and their descriptions in this list:
Commands used for files and directories.
| Commands | Description |
|---|---|
| ls | Lists files and directories in the current directory. |
| cd | Changes the current working directory to the specified directory. |
| pwd | Prints the current working directory. |
| mkdir | Creates a new directory. |
| rmdir | Removes an empty directory. |
| cp | Copies files or directories. |
| mv | Moves or renames files or directories. |
| rm | Removes files or directories. |
| touch | Creates an empty file or updates the modification time of an existing file. |
| cat | It is used to display the contents of a file. It is useful for quickly viewing the contents of a file without having to open it in an editor. |
| less | Displays the contents of a file one page at a time. |
| grep | Searches for a pattern in a file or output. |
| find | Searches for files and directories based on various criteria. |
| chown | Changes the owner of a file or directory. |
| chmod | Changes the permissions of a file or directory. |
| tar | Creates and manipulates archive files. |
Commands for network and to check background processes.
| Commands | Description |
|---|---|
| netstat | Displays network connections, routing tables, and interface statistics. |
| ipconfig | Displays network interface configuration. |
| ping | Tests network connectivity. |
| ssh | Connects to a remote host securely using the SSH protocol. |
| scp | Copies files securely between hosts using the SSH protocol. |
| curl | Transfers data from or to a server. |
| traceroute | A response from the router at each hop from your computer to the destination. |
| hostname | Shows the computer’s hostname and domain name. |
| nslookup | Displays DNS details. |
10 Tips for Working With Linux Commands
Learn the Basics
Learn the fundamental commands like ls, cd, pwd, mkdir, and rm first. This will assist you in managing files, creating and deleting directories, and navigating the file system.
Use man pages
Linux commands come with manuals that describe their options and usage. Visit these pages to find out more about a command. Use the man command to do so.
Use tab completion
Tab completion is a useful feature that allows you to quickly complete file names and command options by pressing the Tab key. This saves time and reduces the chances of typos.
Use sudo with caution
With the sudo command, you can run commands as the administrator. It should only be used with care because misuse could potentially harm your system.
Use pipes and redirection
Pipes (|) and redirection (>) are powerful tools that allow you to redirect the output of one command to another command or a file. Mastering these tools can save you a lot of time and effort.
Use wildcards
Wildcards such as * and ? can be used to match multiple files or directories with similar names. For example, *.txt will match all files with a .txt extension.
Use aliases
Aliases allow you to create shortcuts for frequently used commands. For example, you can create an alias for ls -l to display detailed information about files and directories.
Use version control
Version control systems such as Git are essential for managing code and configuration files. Learn how to use them to keep track of changes and collaborate with others.
Keep your system up to date
Make sure you regularly update your system to ensure that it is running smoothly and is protected against security threats.
Practice
The more you use Linux commands, the better you will become at using them. Practice on a test system or a virtual machine before using them on a production system.
The Art of Learning Linux Commands
Linux is a powerful and versatile operating system, and mastering its commands is essential for all aspiring IT professionals. Learning Linux commands can be daunting at first, but with the right guidance, it can be an enjoyable journey.
Kali Linux and Ubuntu are two of the most popular distributions of Linux that are used by many users around the world. With these distributions, you can learn how to use basic commands such as ls, cd, grep, find and more in order to manage files and directories on your system.
You can also learn more advanced commands such as iptables or systemd to configure network settings or services on your system. By learning the art of Linux commands, you will gain a better understanding of how your system works and become more familiar with various technologies used in IT environments.
Follow these some useful links.
Linux Beginner Tutorials | Linux.org
Linux.com – News For Open Source Professionals
Linux/Unix Tutorial – javatpoint
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