Gias Uddin
Posted on January 18, 2023
Linux is a powerful and versatile operating system that is widely used for both personal and professional use. One of the key features that sets Linux apart from other operating systems is its command line interface. The command line, also known as the terminal, allows users to interact with the system directly and perform a wide variety of tasks.
To make the most of your Linux experience, it is essential to have a solid understanding of the command line and the various commands that are available. In this article, we will cover 40 essential Linux commands that every user should know. From navigating the file system to managing system processes and services, these commands will give you the foundational knowledge you need to effectively use your Linux system. Whether you are a beginner or an experienced user, this guide will provide you with the essential tools to work efficiently and effectively in the Linux command line.
1. ls - used to list the files and directories in a directory
2. cd - used to change the current directory
3. pwd - used to display the current working directory
4. mkdir - used to create a new directory
5. rmdir - used to remove an empty directory
6. rm - used to remove a file or directory
7. touch - used to create a new file
8. cp - used to copy a file or directory
9. mv - used to move or rename a file or directory
10. nano or vim - used to edit text files in the command line
11. cat - used to display the contents of a file
12. less - used to view the contents of a file one page at a time
13. grep - used to search for a specific string of text in a file or multiple files
14. find - used to search for files in a directory
15. chmod - used to change the permissions of a file or directory
16. chown - used to change the owner of a file or directory
17. su - used to switch to the superuser or root account
18. sudo - used to execute a command as the superuser or root account
19. exit - used to log out of the current user account
20. clear - used to clear the terminal screen
21. history - used to display a list of recently executed commands
22. top - used to display the currently running processes and their resource usage
23. ps - used to display the currently running processes
24. kill - used to terminate a running process
25. df - used to display the available and used disk space on a file system
26. du - used to display the size of a directory or file
27. free - used to display the amount of free and used memory in the system
28. ln - used to create a symbolic link between a file or directory
29. tar - used to create and extract archive files
30. gzip and gunzip - used to compress and decompress files
31. ssh - used to securely connect to a remote system
32. scp - used to securely copy files between systems
33. rsync - used to efficiently copy files and directories between systems
34. ping - used to test network connectivity
35. traceroute - used to display the route a packet takes to reach a host
36. netstat - used to display information about network connections and routing tables
37. ifconfig - used to configure network interfaces
38. apt-get - used to manage packages on Debian-based systems
39. yum - used to manage packages on Red Hat-based systems
40. systemctl - used to manage and view system services
These are some of the most commonly used Linux commands that every user should know. However, there are many more commands available, each with their own specific use cases. It is recommended that you continue to learn and explore new commands as you become more comfortable with the Linux command line.
Posted on January 18, 2023
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