Which CMD Is best for Copying large Files

When it comes to copying large files using the command line in Windows, the `robocopy` command is often considered the best choice. Robocopy, short for "Robust File Copy," is a robust command-line file copying tool built into Windows operating systems.

Robocopy is known for its ability to handle large file transfers efficiently and for its resilience in case of interruptions, making it suitable for tasks like backups, mirroring directories, or copying large data sets.

Here is a basic example of how you can use `robocopy` to copy a large file or directory:


robocopy source_folder destination_folder large_file.txt

This command will copy the file `large_file.txt` from `source_folder` to `destination_folder`. Robocopy offers a wealth of options and parameters to customize the copying process according to your needs, such as handling errors, preserving timestamps, copying in restartable mode, and more.

Alternatively, if you prefer a simpler command without the advanced features of `robocopy`, you can also use the `xcopy` command. While not as feature-rich as `robocopy`, `xcopy` is another built-in command that can efficiently copy large files in Windows environments.

In conclusion, for efficiently handling the copying of large files in Windows, both `robocopy` and `xcopy` are popular and effective choices. Choose `robocopy` for more advanced features and robustness, or opt for `xcopy` for simpler copying tasks. I hope this information helps you in selecting the best command for your file copying needs! Let me know if you need any further assistance or details.

3 Replies

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Priyanshu Agnihotri1y ago
Accepted answer
The best CMD command for copying large files is:
```
robocopy source destination /z /j  
```
(/z for resumable mode, /j for unbuffered I/O to improve speed).
+1
Baibhav Kumar1y ago
xcopy – Simple but Less Efficient for Large Files
```
xcopy C:\Source\file.ext D:\Destination\ /J /Y
```
- /J – Copies files without buffering.
- /Y – Suppresses overwrite confirmation.
0
Eliana Blake1y ago
When it comes to copying large files using the command line in Windows, the `robocopy` command is often considered the best choice. Robocopy, short for "Robust File Copy," is a robust command-line file copying tool built into Windows operating systems.

Robocopy is known for its ability to handle large file transfers efficiently and for its resilience in case of interruptions, making it suitable for tasks like backups, mirroring directories, or copying large data sets.

Here is a basic example of how you can use `robocopy` to copy a large file or directory:
```
robocopy source_folder destination_folder large_file.txt
```
This command will copy the file `large_file.txt` from `source_folder` to `destination_folder`. Robocopy offers a wealth of options and parameters to customize the copying process according to your needs, such as handling errors, preserving timestamps, copying in restartable mode, and more.

Alternatively, if you prefer a simpler command without the advanced features of `robocopy`, you can also use the `xcopy` command. While not as feature-rich as `robocopy`, `xcopy` is another built-in command that can efficiently copy large files in Windows environments.

In conclusion, for efficiently handling the copying of large files in Windows, both `robocopy` and `xcopy` are popular and effective choices. Choose `robocopy` for more advanced features and robustness, or opt for `xcopy` for simpler copying tasks. I hope this information helps you in selecting the best command for your file copying needs! Let me know if you need any further assistance or details.
+1