Master 24 Most Essential Linux Commands

Are you looking to get familiar with Linux command line tools and shortcuts? This guide will cover the essential Linux commands that every user should know. These include basic Unix commands such as ls, cat, cp, mv, grep, etc. We'll also discuss some useful shortcuts that can help you take control of your system faster and more efficiently. With this knowledge, you'll be able to easily navigate the Linux command line and take full advantage of its power. So let's get started exploring some of the most essential Linux basics!

Introduction to Linux Command

The Linux command line is a robust tool that can perform various tasks. It's the primary way that users interact with their computers, and it provides access to multiple tools that can help you get work done quickly and efficiently. You must understand some basic commands and shortcuts to make the most of this power. Moreover, learning basic linux commands is critical to understanding Linux and all its capabilities.

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Explanation of the Command Line Interface in Linux

The Linux command line is a text-based user interface that administers the computer. It allows users to type in commands that the operating system executes. The command line is similar to a graphical user interface (GUI) but uses text instead of visual elements like windows and icons. This makes it faster and more efficient since you don't have to click several times to get something done.

To enter the command line, you must open a terminal window. This can even be done by pressing `Ctrl+Alt+T` on your keyboard or searching for "Terminal" in the search bar. Once inside, you can type in commands which will be executed immediately.

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Benefits of Using the Linux Command for Various Tasks

• Speed

  Since you don't have to click around or drag windows, you can complete tasks faster using the command line. This is especially useful if you must quickly perform multiple commands.

• Ease of use

  Once you become familiar with the commands, it's much easier to remember them than having to click around and navigate menus.

• Powerful tools

  The command line offers access to powerful tools to help you accomplish tasks quickly and efficiently. For instance, if you need to search for a particular file or string of text, you can use the grep command, which is very powerful and fast.

• Automation

  Since the command line allows you to issue multiple commands simultaneously, automating specific tasks is easy. This is especially useful if you must repeatedly perform a task or on multiple systems.

• Accessibility

  The command line is accessible from anywhere with an internet connection, which makes it convenient to log in to a remote system.

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10 Most Important Linux Basic Commands

Here is the list of the most frequently used Linux basic commands you must know in 2023:

1. man Command 

   The man command is used to view the manual pages for a particular command. It provides detailed information on how a command works, its syntax, and its options. It is one of the most crucial linux command.

   Syntax: `man <command>`. Example: `man ls`

2. touch Command 

   The touch command creates an empty file in the current directory. 

   Syntax: `touch <filename>`. Example: `touch example.txt`

3. echo Command 

   The echo command displays a line of text on the screen. It can print variables or simply output some text in the terminal window. 

   Syntax: `echo <string>`. Example: `echo "Hello World"`

4. rm Command 

   The rm command deletes a file from the current directory and it is one of the most crucial linux command.

   Syntax: `rm <filename>`. Example: `rm example.txt`

5. pwd Command 

   The pwd command displays the path of the current working directory. Syntax: `pwd`. Example: `pwd`

6. rmdir Command 

   The rmdir command deletes an empty directory from the current working directory.

    Syntax: `rmdir <dirname>`. Example: `rmdir example_directory`

7. cd Command 

   The cd command changes the current working directory. 

   Syntax: `cd <path>`. Example: `cd /home/user`

8. touch Command 

   The touch command creates an empty file in the current directory. 

   Syntax: `touch <filename>`. Example: `touch example.txt`

9. cat Command 

   The cat command displays the contents of a text file, and it is one of the most useful linux command.Syntax: `cat <filename>`. Example: `cat example.txt`/

10. vget Command 

    The vget command is used to download a file from and save it in the current directory. Syntax: `vget <url>`. Example: `vget http://example.com/file.zip`

File and Text Manipulation Commands in Linux

Here are few examples of the most important linux file and text commands with examples:

• touch command: Creates an empty file. Syntax example: touch new_file.txt
• rm command: Removes files and directories. Syntax example: rm file.txt
• cat command: Displays the contents of a file. Syntax example: cat file.txt
• cp command: Copies files and directories. Syntax example: cp file.txt new_location/
• rename command: Renames multiple files using patterns. Syntax example: rename 's/old_pattern/new_pattern/' *.txt

User Commands in Linux

Here are few examples of the most important linux user commands with examples:

1. id command: Displays the user and group IDs. Syntax example: id
2. su command: Switches to another user account. Syntax example: su username
3. useradd command: Creates a new user account. Syntax example: useradd new_user
4. groupadd command: Creates a new group.
   Syntax example: groupadd new_group

Linux Utility Commands in Linux:

Here are few examples of the most important linux utility commands with examples:

1. date command: Displays the current date and time.Syntax example: date
2. find command: Searches for files and directories based on specified criteria. It is one of the most productivity-boosting Linux commands you must know.
   Syntax example: find /path/to/search -name "*.txt"
3. time command: Measures the execution time of a command.Syntax example: time ls -l
4. sleep command: Delays the execution of a script or command for a specified amount of time.Syntax example: sleep 5 (pauses for 5 seconds)
5. mount command: Mounts a file system or device to a specific directory in the Linux file system. It is an important linux command.Syntax example: mount /dev/sdb1 /mnt/usb

By learning Linux-commands, you can better understand how to interact with Linux and ultimately be more productive. Knowing essential Linux basics commands will help you become a command-line wizard in no time! 

Conclusion

The Linux command line is a great tool to help you accomplish tasks quickly and efficiently. With the knowledge of basic linux commands and shortcuts, you'll be able to take control of your system faster and more efficiently. We've discussed essential Linux commands in this guide, such as ls, cat, cp, mv, grep, and others. We also discussed helpful shortcuts such as the man, touch, echo, rm, pwd, rmdir, cd, and vget commands. With this knowledge, you'll easily navigate the Linux command line and become a power user.