学习Linux必备！掌握25个Linux Was命令（linuxwas命令）

With the development of technology, Linux has gradually become the most widely used operating system, and it’s been used in many areas, from the desktop to the server side. With Linux, you can do a lot of amazing things, either on the shell or using some graphical user interfaces, but to truly master Linux, you need to learn its core commands.

In this article, we’ll cover 25 of the most essential and frequently used Linux WAS commands. These commands will give you the basic tools you need to get started with Linux, and with some regular practice, you’ll become comfortable and familiar with them.

1. df：df stands for disk free, and it’s used to display the amount of free disk space on a given filesystem or partition.

2. sudo：sudo stands for super user do, and is used to give root or other privileged access to a user.

3. ls：ls stands for list, and is used to list the files and folders in the current directory.

4. cd：cd stands for change directory, and it is used to move from one directory to another.

5. man：man stands for manual, and it is used to display the online manual for a given command.

6. pwd：pwd stands for print working directory, and it is used to display the current working directory.

7. top：top is used to display the processes that are currently running on the system.

8. ps：ps stands for process status, and it is used to display information about running processes.

9. grep：grep stands for global regular expression print, and it is used to search for patterns in text or code.

10. cat：cat stands for concatenate, and it is used to view the contents of a file.

11. less：less is similar to cat, but it allows you to view the contents of a file page by page.

12. head：head is used to print out the first few lines of a file.

13. tail：tail is used to print out the last few lines of a file.

14. cp：cp stands for copy, and it is used to copy files and directories.

15. rm：rm stands for remove, and it is used to delete files and directories.

16. mv：mv stands for move, and it is used to move files and directories.

17. chmod：chmod is used to change the permission of a file or directory.

18. chown：chown is used to change the ownership of a file or directory.

19. find：find is used to search for files in a specified directory or set of directories.

20. tar：tar is used to archive several files into a single file, known as a tarball.

21. sort：sort is used to sort lines of text in a file.

22. uniq：uniq is used to display all unique line entries in a given file.

23. du：du stands for disk usage, and it is used to display the space used by a specified directory.

24. ssh：ssh stands for secure shell, and it is used to securely connect to one computer to another over a network.

25. ftp：FTP stands for file transfer protocol, and it is used to transfer files between two computers.

By mastering the above 25 Linux WAS commands, you’ll be able to do wonders with your Linux environment! Keep practicing, and with time you’ll become more proficient at using Linux.