Title: Linux新手必读：10个值得推荐的命令

Introduction:
Linux is an open-source operating system known for its versatility and power. For beginners diving into the world of Linux, understanding and utilizing essential commands can greatly enhance their experience. In this article, we will introduce 10 must-know Linux commands that every novice user should be familiar with.

1. sudo:
The sudo command stands for "Super User Do" and allows users to execute commands as the root user. This command is crucial for performing administrative tasks, such as installing software or configuring system settings. Simply prefix any command with "sudo" to gain elevated privileges.

2. ls:
The ls command is used to list files and directories in a specified location. By default, it displays the contents of the current directory. Adding options like -l (long format) or -a (including hidden files) provides additional information or shows all files, respectively.

3. cd:
The cd command is used to change directories. By typing "cd" followed by the desired directory path, you can navigate to another location within the file system. Additionally, using ".." allows you to move up one directory level.

4. touch:
The touch command creates an empty file or updates the timestamp of an existing file. It is useful when working with scripts or when you want to modify the last modified time of a file for testing purposes.

5. mkdir:
The mkdir command is used to create directories. Specify the desired directory name after the command, and a new directory will be created. For example, "mkdir documents" will create a directory named "documents".

6. cp:
The cp command allows you to copy files and directories. Use "cp" followed by the source file/directory path and the destination path to copy. Adding the -r option enables recursive copying, which is necessary for copying directories.

7. mv:
The mv command is used to move or rename files and directories. Similar to the cp command, specify the source file/directory path followed by the destination path. If the destination path is a different directory, the file/directory will be moved. Otherwise, it will be renamed.

8. rm:
The rm command is used to remove files and directories. Use "rm" followed by the file/directory path to delete it permanently. The -r option is necessary when deleting directories and their contents.

9. grep:
The grep command is used to search for a specific pattern or string within files or output streams. It is a powerful tool for filtering and extracting information. For example, "grep 'error' log.txt" will display lines containing the word "error" in the file "log.txt".

10. man:
The man command is short for "manual" and provides detailed information about a specific command. By typing "man" followed by the command name, you can access the command's manual page, which includes its usage, options, and examples. This is particularly helpful when exploring new commands.

Conclusion:
Mastering these 10 essential Linux commands is an excellent foundation for any beginner. From navigating directories to performing administrative tasks, these commands will enable users to become more efficient and confident in their Linux journey. Remember, practice is key, so don't hesitate to explore further and experiment with these commands to deepen your understanding of Linux. Happy command-line exploring!