What is the command to modify files in Linux?

Linux file modification commands are the "mv" command and the "cp" command. Their usage is: 1. The mv command is used to move files or rename files. Its basic syntax is "mv [option] source File target file", the mv command has some optional options, such as "-i" means to confirm before overwriting the file, "-f" means to force overwrite the file, "-v" means to display detailed operation information, etc. The source file is The path of the file to be moved or renamed. The target file refers to the path of the target file, which can be a folder path or a new file name, etc.

The operating system of this tutorial: linux6.4.3 system, DELL G3 computer.

Linux file modification commands are `mv` and `cp`. These two commands and their usage are described in detail below.

1. `mv` command: `mv` command is used to move files or rename files. Its basic syntax is as follows:

   mv [选项] 源文件 目标文件

Options: The `mv` command has some optional options, such as `-i` means to confirm before overwriting the file, `-f` means to force the file to be overwritten, `- v` means displaying detailed operation information, etc.

Source file: The path of the file to be moved or renamed.

Target file: The path of the target file, which can be a folder path or a new file name.

For example, to move the file `file.txt` to the folder `/path/to/destination/`, you can use the following command:

   mv file.txt /path/to/destination/

If you want to move the file `file. txt` is renamed to `newfile.txt`, you can use the following command:

   mv file.txt newfile.txt

Note that if the target file already exists, the `mv` command will overwrite the target file. If you want to avoid overwriting files, you can confirm using the `-i` option.

2. `cp` command: `cp` command is used to copy files or folders. Its basic syntax is as follows:

   cp [选项] 源文件 目标文件

Options: The `cp` command also has some optional options, such as `-r` means to copy the folder recursively, `-i` means to confirm before overwriting the file, ` -f` means to force overwrite the file, and `-v` means to display detailed operation information, etc.

Source file: The path of the file or folder to be copied.

Target file: The path of the target file, which can be a folder path or a new file name.

For example, to copy the file `file.txt` to the folder `/path/to/destination/`, you can use the following command:

   cp file.txt /path/to/destination/

If you want to copy the file `file. txt`copy and rename to `newfile.txt`, you can use the following command:

   cp file.txt newfile.txt

If you want to copy the entire folder `folder` to the folder `/path/to/destination/`, you can use the following Command:

   cp -r folder /path/to/destination/

Note that if the target file already exists, the `cp` command will overwrite the target file. If you want to avoid overwriting files, you can confirm using the `-i` option.

In addition to the `mv` and `cp` commands, there are other commands that can be used to modify files. For example, the `sed` command is used to replace text in the file, and the `touch` command is used to update the file. Access and modification time, `chmod` command is used to modify file permissions, etc. These commands are selected based on specific needs and situations.

To sum up, the main commands for modifying files in Linux are `mv` and `cp`. The `mv` command is used to move or rename files, and the `cp` command is used to copy files or folders. Select the appropriate command to modify the file based on your specific needs and circumstances.

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