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How to Rename Files in Linux

The terminal is an essential tool for administrating Linux servers. It provides Linux users some of the best productivity tools while saving your machine’s resources.

To effectively use the potential of Linux, you need to have strong knowledge of the fundamentals – simple commands, like renaming existing files and folders.  In this tutorial, you’ll learn how to rename folders in Linux.

How to Rename Files in Linux with the mv Command

The mv command is one of the easiest to use. It can do two very basic but essential things when file handling on Linux. One is moving files from one location to another, the other – to rename one or more files through the terminal.

Let’s see how renaming files with mv works on Linux.

First, we access our server through the command line using SSH. Here’s a helpful tutorial, if you would like to learn more.

ssh your-user@your-server

If we are using a local computer, instead of a server, then we have to open the terminal from the main menu.

Afterward, it is necessary to know how the mv command works. To do this, we run the following:

mv --help

As we can see in the previous image, the basic use of the mv command is as follows:

mv [option] [SOURCE]...[DIRECTORY]

Here are some of the most popular mv options:

  • -f – shows no message before overwriting a file.
  • -i – displays warning messages before overwriting a file.
  • -u – only move a file if it is new or if it does not exist in the destination.
  • -v – show what the command does.

And the parameters are:

[SOURCE] – the source destination of the file

[DESTINATION] – the destination directory.

Rename File on Linux Using the mv Command

If we want to rename a file, we can do it like this:

mv file1 newnamefile1

Assuming we are located in the directory and there is a file called file1.txt and we want to change the name to file2.txt.

mv file1.txt file2.txt

As simple as that. However, if you want some advanced features, you’ll need to use the rename command, we’re about to cover.

Rename Files on Linux Using the Rename Command

The mv command is used both to move files to other locations and to rename a file. However, you can also use the rename command, that gives you a bit more control.

Many Linux distributions include it by default. If you don’t have it installed, you can do it in just a minute with a simple command.

In the case of Debian, Ubuntu, Linux Mint, and derivatives:

sudo apt install rename

On the other hand, we are using CentOS 7 or RHEL:

sudo yum install rename

After this, we can start using it. In general, the basic syntax of the rename command looks like this:

rename 's/old-name/new-name/' files

It may seem complex at first, but it’s a lot simpler than it might seem.

In this example, we will create a new folder called filetorename, and using the touch command, we will create 5 files.

mkdir filetorename
cd filetorename
touch file{1..5}.txt
ls

With the last ls command, you can view the files that you created.

If we want to rename a single file called file1.txt, the sentence would be like this:

rename ‘s/file1/newfile1/’ file1.txt

If we wanted to change the extension to all files, for example, to .php. We could do it this way:

rename ‘s/.txt/.php/’ *.txt
ls

We can also specify another directory where the files you want to rename are.

rename ‘s/.txt/.php/’ FILE/PATH

We’d like to mention that rename uses a regular expression of perl, meaning this command has extensive possibilities.

Finally, it is a good idea to check all the command options. You can view them in the terminal by executing:

rename –help

If you no longer wish to have rename installed on your system, remove it using the software manager. Or from the terminal.

For Debian, Ubuntu, Linux Mint and derivatives:

sudo apt remove rename

And for CentOS and RHEL

sudo yum remove rename

That’s it, rename is removed from your Linux machine.

Conclusion

Renaming files in Linux using the terminal is a simple and practical task but sometimes very important. Knowing how to do it is something every server manager should know.

As we have seen, there are two commands that can do it. One is simpler than the other, but both accomplish the task.

We encourage you to continue researching these commands and improving the quality of your everyday workflow.

 

About the author

Edward S.

Edward is Hostinger's copywriter. He's an expert communicator with years of experience in IT as a writer, marketer, and Linux enthusiast. IT is a core pillar of his life, personal and professional. Edward's goal is to encourage millions to achieve an impactful online presence. He also really loves dogs, guitars, and everything related to space.

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