Copy all file and directory in linux

How do I create a copy of a directory in Unix/Linux? [closed]

I want to recursively create a copy of a directory and all its contents (e.g. files and subdirectories).

3 Answers 3

The option you’re looking for is -R .

cp -R path_to_source path_to_destination/ 

• If destination doesn’t exist, it will be created.
• -R means copy directories recursively . You can also use -r since it’s case-insensitive.
• To copy everything inside the source folder (symlinks, hidden files) without copying the source folder itself use -a flag along with trailing /. in the source (as per @muni764 ‘s / @Anton Krug ‘s comment):

cp -a path_to_source/. path_to_destination/ 

i wonder why this exact command in dockerfile copies all source directory files into destination, instead of copying just whole directory.

I believe the ‘/’ on the end makes a difference and that might account for your experience. If the source includes the trailing slash it will copy what is in the directory only. If it does not include the trailing slash, it will copy the directory as well and then the contents inside of it. My memory is this behavior varies by command and maybe event by OS a bit. Here’s a reference with more info.

I would say if you don’t want to include the source and you want to make sure everything is copied (symlinks, hidden files) without copying the source parent folder is to use -ra source/. destination. This will make sure the content of the folder is copied, but not the parent folder itself, which is sometimes handy. And the difference is the /.

Note the importance of «Slash dot» on your source in cp -r src/. dest I know it is mentioned but I still seem to miss it every time.

You are looking for the cp command. You need to change directories so that you are outside of the directory you are trying to copy.

If the directory you’re copying is called dir1 and you want to copy it to your /home/Pictures folder:

Linux is case-sensitive and also needs the / after each directory to know that it isn’t a file. ~ is a special character in the terminal that automatically evaluates to the current user’s home directory. If you need to know what directory you are in, use the command pwd .

When you don’t know how to use a Linux command, there is a manual page that you can refer to by typing:

Also, to auto complete long file paths when typing in the terminal, you can hit Tab after you’ve started typing the path and you will either be presented with choices, or it will insert the remaining part of the path.

There is an important distinction between Linux and Unix in the answer because for Linux (GNU and BusyBox) -R , -r , and —recursive are all equivalent, as mentioned in this answer. For portability, i.e. POSIX compliance, you would want to use -R because of some implementation-dependent differences with -r . It’s important to read the man pages to know any idiosyncrasies that may arise (this is a good use case to show why POSIX standards are useful).

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How to Copy All Files from a Directory to another Directory in Linux

Copying the file or folder means creating a new file having duplicate content as in the existing file.

Sometimes, we need to copy the files or folders rather than having a backup program. The files can be copied with the same name, or you can change the name as well.

Copying a file, folder, or directory is a simple and basic task in the Linux operating system. Rename, delete or copy commands are used as daily purpose operations while working with the command-line interface.

Although there are multiple commands to copying the files, the “cp” and “rsync” command are widely used simplest approaches.

How to Copy Files with “cp” Command in Linux:

The “cp” command is one of the commonly used commands to perform the copy operation. You can copy files or folders from source to destination, i-e, one directory through this command.

The syntax of the “cp” command is:

Let’s take a look at an example to understand the “cp” command tool better.

In the home directory, create a “temp” folder with the text file named “text_file1.txt” and add random content to it.

Copy a file with the same name:

To copy a “text_file1.txt” file directory with the same name, open the terminal and type the mentioned “cp” command with the right path.

Get the folder’s path by right-clicking on the file and navigate to the “Properties” option (it is the easy way to get the path link).

A dialogue box will open with the complete path of a text file:

Use this path with the “cp” command to copy file:

This command will copy the “text_file1.txt” file to the “temp2” folder.

To verify it, type the “ls” command in the terminal:

Copy a file with a different name:

To copy the file in the current working directory with the different name, type the following “cp” command with file location:

Verify it using the “ls” command”:

Copy Multiple Files with “cp” Command:

To copy multiple files with the “cp” command, navigate the terminal to the directory where files are saved and then run the “cp” command with the file names you want to copy and the destination path.

$ cp text_file1.txt text_file2.txt text_file3.txt / home / wardah / temp2

Run the mentioned command to verify if files are copied successfully:

Above mentioned scenarios are how to copy a single or selected file in a directory. Now, use the wildcard character (*) to copy present files of one directory to any other specific directory.

Run the “ls” command to check how many files exist in the temp directory:

Instead of mentioning all file names in the terminal, use the wildcard (*) with the directory path to copy all the files into destination:

Now, run the “ls” command again to check if all files are copied in the “temp2” directory:

How to Copy files with the “rsync” command in Linux:

The “rsync” command is another versatile Linux tool to synchronize and copy files and directories locally as well as remotely.

The syntax of the “rsync” command is to copy files is:

It is a pre-built tool in many Linux distribution. However, if you don’t get it on your system, install it by executing the following command:

To copy a file from one place to another, run the following command:

To copy all the directory files to another location, the command would be:

(The “-a” with the “rsync” command is used to copy directories recursively)

Here are the two concepts:

If you add a trailing slash (/) with the path, it will copy the content of the source directory to the destination directory, just like shown in the image:

But, if you don’t add it, it will copy the source directory inside the destination directory, like:

The above command will copy a “dir1” directory to the “dir2” directory.

Conclusion:

Copying a file or directory is the basic command one can operate. One can use it multiple times while using Linux operating system.

This guide has seen the two simplest approaches, the “cp” command and the “rsync” command. Using these commands, we have learned how to copy a single file, multiple files, and even copy one directory to another.

About the author

Syeda Wardah Batool

I am a Software Engineer Graduate and Self Motivated Linux writer. I also love to read latest Linux books. Moreover, in my free time, i love to read books on Personal development.

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How to Copy Files and Directories in Linux

This guide will show you how to copy files and directories in Linux by executing commands from the command line. Furthermore, the commands listed below detail how to create system-wide backups or filter out and copy only specific files.

Note: These Linux commands can only be run from a terminal window. If your version of Linux boots to a desktop graphical interface, launch a terminal window by pressing CTRL-ALT-F2 or CTRL-ALT-T.

Using the cp Command to Copy Files and Directories in Linux

The cp command is the primary method for copying files and directories in Linux. Virtually all Linux distributions can use cp . The basic format of the command is:

cp [additional_option] source_file target_file

cp my_file.txt my_file2.txt

This Linux command creates a copy of the my_file.txt file and renames the new file to my_file2.txt.

By default, the cp command runs in the same directory you are working in. However, the same file cannot exist twice in the same directory. You’ll need to change the name of the target file to copy in the same location. Some users will add _old, some will add a number, and some will even change the three-letter extension (e.g., .bak instead of .txt).

You may not get a warning before Linux overwrites your file – be careful, or see below for the –i option.

Additional Options

Additional options can be used in combination with the cp command:

• –v verbose: shows the progress of multiple copied files
• –ppreserve: keeps the same attributes, like creation date and file permissions
• –f force: force the copy by deleting an existing file first
• –i interactive: prompts for confirmation, highly advised
• –Rrecursive: copies all files and subfolders in a directory
• –u update: copy only if source is newer than destination

Note: The -p (preserve) option forces the system to preserve the following source file attributes: modification time, access time, user ID (UID), group ID (GID), file flags, file mode, access control lists (ACLs), and extended attributes (EAs).

How to Copy File to Another Directory in Linux

To copy a file from the directory you’re working in to a different location, use the command:

cp my_file.txt /new_directory

You don’t need to rename the file unless there’s already one with the same name in the target directory.

To specify a path for the source file:

cp /etc/my_file.txt /new_directory

This lets you copy without having to change directories. The cp command will create the /new_directory if it doesn’t exist.

To rename and copy a file to a different path:

cp my_file.txt /new_directory/my_file2.txt

This option is useful for creating backups of configuration files, or for copying data to a storage device.

Note: Learn how to move directories in Linux.

Copy Multiple Files from One Directory to Another in Linux

You may need to copy more than one file at a time.

List each file to be copied before the target directory:

cp my_file.txt my_file2.txt my_file3.txt /new_directory

This example created a copy of all three files in the /new_directory folder.

Use a wildcard to specify all files that share a string of characters:

cp /pictures/*.jpg /new_directory

This would find all the files with the .jpg extension in the /pictures directory, and copy them into the /new_directory folder.

To copy an entire folder and its subfolders and files, use the –R option:

cp –R /documents /new_directory

–R stands for recursive, which means “everything in that location.” This would copy all the files, as well as all the directories, to the /new_directory folder.

Copy Using rsync Command

The rsync command in Linux is used to synchronize or transfer data between two locations. Usage is similar to cp , but there are a few key differences to note.

To copy a single file, enter the following into a terminal:

rsync –a my_file.txt /new_directory/my_file_backup.txt

• The –a option means all, and is included with rsync commands – this preserves subdirectories, symbolic links, and other metadata.
• Replace the my_file.txt file in the working directory.
• Replace /new_directory/ with the destination.
• Using my_file_backup.txt as the target indicates the file will be renamed during the copy.

To copy a directory with rsync, enter the following:

rsync –a /etc/docker/ /home/backup/docker/

This copies the contents of the /etc/docker/ directory to /home/backup/docker/. Make sure to keep the slashes. Omitting the slash on the source directory will copy the contents into a subdirectory.

To omit files from being copied, check out our guide on how to exclude files and directories in data transfer using rsync command.

Other Options

The ls command is a handy partner to the cp command in Linux.

To list the contents of a directory enter the command:

The example above displays all the files in /directory. Use this command after copying to verify the files were copied successfully.

To change directories, use cd and the name of the directory. For example:

The command prompt will change to display that you’ve changed directories.

Now you understand how to copy files in Linux. The cp command is a versatile and powerful tool for managing and backing up files.

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