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rsync VS dd

Compare rsync VS dd and see what are their differences

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rsync logo rsync

rsync is a file transfer program for Unix systems. rsync uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync.

dd logo dd

Command-line utility for Unix and Unix-like operating systems to convert and copy a file.
  • rsync Landing page
    Landing page //
    2021-07-31
  • dd Landing page
    Landing page //
    2023-06-24

rsync features and specs

  • Efficient Data Transfer
    Rsync uses a delta-transfer algorithm which allows it to update files by only sending the differences between the source and destination, greatly reducing the amount of data transferred.
  • Bandwidth Throttling
    Rsync provides an option to limit the bandwidth used during the transfer, helping to manage network resources and avoid congestion.
  • Compression
    Rsync supports compression of data during transfer, which can further reduce the amount of data sent over the network.
  • Secure Transfer
    Rsync can utilize SSH for secure data transfer, adding a layer of encryption to protect data as it moves between systems.
  • Versatile
    Rsync can be used for a variety of tasks such as backups, mirroring, and synchronization, making it a versatile tool for different data management needs.
  • Preserves File Attributes
    Rsync preserves file permissions, timestamps, ownerships, and symbolic links during the transfer, ensuring that all file attributes remain intact.
  • Widely Supported
    Rsync is available on most Unix-like operating systems and there are ports available for Windows, making it accessible across different platforms.
  • Open Source
    Rsync is free and open-source software, allowing anyone to use, modify, and distribute it without licensing fees.

Possible disadvantages of rsync

  • Complex Syntax
    The rsync command line options can be complex and difficult to master, especially for users who are not familiar with command-line interfaces.
  • Initial Setup
    Setting up rsync for the first time can be cumbersome, particularly when dealing with SSH keys, excluding files, and setting up cron jobs for automation.
  • Resource Intensive
    During large data transfers, rsync can be resource-intensive, consuming a considerable amount of CPU and RAM, which might affect system performance.
  • Limited Incremental Backup Support
    Rsync's incremental backup feature is somewhat limited and less sophisticated compared to dedicated backup solutions, requiring additional scripting for effective implementation.
  • Remote File System Compatibility
    Rsync may encounter issues with certain remote file systems that have different characteristics or limitations, such as differing maximum file path lengths or unsupported special characters.
  • No Native GUI
    Rsync does not have a native graphical user interface (GUI), which may make it less accessible to users who prefer or require a visual interaction.
  • No Built-in Scheduling
    Rsync lacks built-in scheduling capabilities, necessitating the use of external tools like cron (Linux/Unix) or Task Scheduler (Windows) to automate scheduled tasks.

dd features and specs

  • Powerful Data Manipulation
    The 'dd' command allows for low-level data copying and conversion operations, providing users with powerful control over how data is transferred, including setting block sizes and performing byte swapping.
  • Versatile Use Cases
    It can be utilized for a wide range of tasks such as creating disk images, writing disk images to disks, and converting and copying files with different encodings.
  • Availability
    'dd' is widely available on Unix-like systems, making it a reliable tool across different environments without requiring additional installations.
  • Script Automation
    'dd' can be easily incorporated into scripts for automated and repeatable tasks, which is beneficial for system administrators managing backups or cloning operations.

Possible disadvantages of dd

  • Potential for Mistakes
    Accidentally specifying incorrect parameters can lead to data loss, as 'dd' performs operations without asking for confirmation, making it crucial to double-check commands before execution.
  • Lack of Progress Feedback
    By default, 'dd' does not provide progress feedback, which can be problematic for larger data operations that take significant time, leaving users unsure of the current status.
  • Not Intuitive
    The syntax and parameters can be non-intuitive and difficult to remember for casual users, often leading to confusion or improper usage.
  • Performance Considerations
    Depending on parameters and the task, 'dd' might not be the most efficient tool for copying data, particularly if the block size is not optimized.

rsync videos

+ Add

Rsync Backup on Linux

More videos:

  • Tutorial - How to Properly Use Cloud Storage | Rsync Encrypt Tutorial
  • Review - Setup OpenMediaVault 5.0 beta NAS on Raspberry Pi 4: RPi4 NAS + Configure RSync with x2 shares OMV5

dd videos

+ Add

Discmania DD (Distance Driver) Golf Disc Review

More videos:

  • Review - Fanatec Podium DD Wheelbase - Review - The Mainstream Direct Drive Wheel
  • Review - SYMPHONY SUMO 75 XL DD AIR COOLER UNBOX AND REVIEW - INDIA'S 1st DOUBLE AIR - COOLER BEST AIR COOLER

Category Popularity

0-100% (relative to rsync and dd)

rsync

dd

File Sharing And Backup
100 100%
File Sharing And Backup
0% 0
Utilities
0 0%
Utilities
100% 100
File Sharing
100 100%
File Sharing
0% 0
Bootable USB
0 0%
Bootable USB
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare rsync and dd

rsync Reviews

Linux File Backup - 5 Best Softeware for Linux Desktop and Server
Rsync(secured URL: https://linux.die.net/man/1/rsync) is a famous software among Linux desktop users since it offers command-line system backup services. Besides featuring incremental backups, you can update the complete file directory tree inside the system. Even it is possible to protect file ownership, permissions, links, etc.
Source: www.easeus.com
The Best Free Backup Software and Why it is Difficult to Find One
Rsync is the very definition of bare-bones backup software. It is a backup tool that is made for Unix systems with the ability to operate it both via the graphic interface and the command line. It allows for its users to perform local and remote backups on multiple devices, including incremental backups. Rsync also has the capability to sync systems across the internet with...
Source: www.bacula.org
The Top 17 Free and Open Source Backup Solutions
Rsync is a command line Linux backup tool, but it also offers a graphical user interface. With this software, IT administrators are able to perform incremental backups, as well as local and remote backups. Rsync enables users to update their whole directory tree and file system. The solution is built for UNIX-like systems, and is recommended to users looking to locally back...
Source: solutionsreview.com
11 Best Linux Backup Solutions
Rsync is another feature-rich backup solution available for Linux. It allows for incremental backups, update whole directory tree and file system, both local and remote backups, preserve file permissions, ownership, links, privileges, automated scripts and much more. Rsync is a command-line tool but there GUI or frontends such as Grsync available. Rsync is very popular in...
Source: www.linuxandubuntu.com
25 Outstanding Backup Utilities for Linux Systems in 2020
It also has a graphical user interface called Grsync but one advantage with the rsync is that backups can be automated using scripts and cron jobs when used by experienced System Administrators on the command line.
Source: www.tecmint.com

dd Reviews

14 Rufus alternatives for Linux, Mac, and windows
Perhaps the most powerful tool on this list, dd is a command-line tool for Linux or Mac users. Also known humorously as the short form of “disk destroyer”, dd lets you copy the image of one disk onto the other. Dd works by specifying the input and output drive locations.
Source: www.technewstoday.com
Rufus Alternatives – 8 Best USB Bootable Software For Linux
For a one-time use case, you might be good using the “dd” command-line tool. It is a native Linux command and is available for multiple Linux distros. Following is the command to flash an ISO file to the USB storage using the dd command.
Source: techwiser.com

Social recommendations and mentions

Based on our record, rsync seems to be more popular. It has been mentiond 15 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

rsync mentions (15)

  • Down the Rabbit Hole of creating a Home Lab
    Rsync - Fast file copying and syncing. - Source: dev.to / about 1 month ago
  • Researchers have identified a total of 6 vulnerabilities in rsync
    Does this apply to the GPL or BSD codebase? There are (now) two rsync codebases. GPL: https://rsync.samba.org/ BSD: https://www.openrsync.org/. - Source: Hacker News / 5 months ago
  • Which synchronization tool are you using together with the pCloud Crypto Folder?
    Rsync can be used to synchronize a local disk to the pCloud drive p. Works similarly as the Sync option of the pCloud Drive app. May be useful if one prefers a bulk upload once a day over a continuous synchronization. Source: over 1 year ago
  • Advanced Backup and Disaster Recovery Strategies
    Tools that can be used to handle this include Rsync, Duplicati, Cohesity. - Source: dev.to / over 1 year ago
  • Use rsync to Sync a Node Project to Dropbox and Ignore the node modules Folder
    To overcome this issue, you can use rsync, a powerful command-line tool for synchronizing files and directories, along with a bash script that excludes the node_modules folder and also filter out anything in a .gitignore file that you specify. In this article, I'll guide you through the process of setting up and using this bash script to sync your Node.js project while ignoring the node_modules folder. - Source: dev.to / almost 2 years ago
View more

dd mentions (0)

We have not tracked any mentions of dd yet. Tracking of dd recommendations started around Mar 2021.

What are some alternatives?

When comparing rsync and dd, you can also consider the following products

FreeFileSync - FreeFileSync is a free open source data backup software that helps you synchronize files and folders on Windows, Linux and macOS.

Rufus - Rufus is a piece of software that allows you to transform a portable drive, like a flash drive or other USB drives, into a bootable drive that can be used for a variety of purposes. Read more about Rufus.

Duplicati - Free backup software to store backups online with strong encryption. Works with FTP, SSH, WebDAV, OneDrive, Amazon S3, Google Drive and many others.

Balena Etcher - Flash OS images to SD cards & USB drives, safely and easily.

GoodSync - GoodSync provides highly reliable file backup and synchronization for both individuals and businesses.

UNetbootin - UNetbootin is a utility for creating live bootable USB drives. The name of the software is short for Universal Netboot Installer, and its most prevalent use has been to create bootable versions of Linux distributions on a USB drive.

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