Desktop Software


File Synchronization    



File Synchronization


File synchronization


File Synchronization


Synchronization is not just replication

Rather it's a two way file transfer where we replicate the latest changes both ways!@

There are two partners that we keep in sync using the tools


So suppose if there is a file copied onto one of the folders in one of the partner , then it is simply copied/replicated to the partner

Now if there is a data append / prepend (means: there is some file activity) then also it becomes the responsibility of the file synchronization utility at hand to replicate the changed file to the other end!


In one-way file synchronization, also called mirroring, updated files are copied from a 'source' location to one or more 'target' locations, but no files are copied back to the source location. In two-way file synchronization, updated files are copied in both directions, usually with the purpose of keeping the two locations identical to each other. In this article, the term synchronization refers exclusively to two-way file synchronization.

There are cool tools available for desktop Local LAN synchronization and/or syncing to the cloud

They are:

Microsoft SyncToy 2.1


The best syncing app in the Intranet category


Official Website: SyncToy 2.1

Get the Download Link here:

Download Sync Toy 2.1 for Windows (x64) 64-bit

Download Sync Toy 2.1 for Windows (x86) 32-bit


        Increasingly, computer users are using different folders, drives, and even different computers (such as a laptop and a desktop) to store and retrieve files. There are new sources of files coming from every direction: digital cameras, e-mail, cell phones, portable media players, camcorders, PDAs, and laptops. Yet managing hundreds or thousands of files is still largely a manual operation. In some cases it is necessary to move files from one place to another; in other cases there is a need to keep two storage locations exactly in sync. Some users manage files manually, dragging and dropping from one place to another and keeping a mental card catalog in their heads. Others use one or more applications of one sort or another to provide this functionality for them.

        Now there is an easier way. SyncToy is a free PowerToy for Microsoft Windows XP that provides an easy to use, highly customizable program to help copy, move, and synchronize different directories. Most common operations can be performed with just a few clicks of the mouse, and additional customization is available without adding complexity. SyncToy can manage multiple sets of directories at the same time; it can combine files from two folders in one case, and mimic renames and deletes in another. Unlike other applications, SyncToy keeps track of renames to files and will make sure those changes get carried over to the synchronized folder.


White Papers: This white paper provides an overview of SyncToy, and explains how it can be used to enhance your file management workflow.:

The Link is as given here: http://www.microsoft.com/en-us/download/details.aspx?id=8751

The following video is taken from: http://lifehacker.com/5822590/turn-an-old-computer-into-a-networked-backup-streaming-or-torrenting-machine-with-freenas

Since a NAS can hold many large drives, it's a popular option for backing up data. FreeNAS recommends Rsync for backup, but I've found that it's more trouble than it's worth (not to mention it isn't very good for backup). Instead, I found you can just use Windows' built-in backup system, which is great. In addition, Mac users can use Time Machine with their NAS as long as you're sharing that drive with AFP instead of CIFS.



SyncToy 2.1 is a free application that synchronizes files and folders between locations. Typical uses include sharing files, such as photos, with other computers and creating backup copies of files and folders.




Official Website:https://www.dropbox.com/

Get the Download link for DropBox here : Download Dropbox v 1.4.40 (Windows :: all version)


Dropbox is a file hosting service operated by Dropbox, Inc. that offers cloud storage, file synchronization. Dropbox allows users to create a special dropbox shared folder on each of their computers, which Dropbox then synchronizes so that it appears to be the same folder (with the same contents) regardless of the computer it is viewed on , on to every computer. Files placed in this folder are also accessible through a web site and mobile phone applications. Dropbox, Inc. was founded in 2007 by MIT graduates Drew Houston and Arash Ferdowsi, as a Y Combinatorstartup company.[4] Dropbox provides client software for Microsoft Windows, Apple's Mac OS X, Linux, for mobile Google's Android,Apple's iOS, and BlackBerry OS, and web browsers.



Windows Live Mesh


Windows Skydrive

Windows Live Mesh 2011, a Microsoft file syncing, storage, and remote desktop application.

Official Website: http://windows.microsoft.com/en-US/skydrive/home


Get the Download Link for Windows Live Mesh here:

Download the web setup for Windows Live Mesh

Download the complete package for Windows Live Essential here



Windows Live Mesh is a file synchronization utility that synchronizes files and folders to the Microsoft Skydrive cloud. All transfers are encrypted using the Transport Layer Security (TLS) or Secure Sockets Layer (SSL) protocols.

With this piece-of-software you can also configure it to sync favorites from Internet Explorer



Tutorial Videos:

Windows Live Mesh (formerly known as Live Mesh, Windows Live Sync, and Windows Live Folder Share) was a free-to-use Internet-based file synchronization application by Microsoft designed to allow files and folders between two or more computers be in sync with each other on Windows (Vista and later) and Mac OS X (v. 10.5 Leopard and later, Intel processors only) computers or the Web via SkyDrive. Windows Live Mesh also enabled remote desktop access via the Internet.



Windows Live Mesh was part of the Windows Live Essentials 2011 suite of software. However this application has been replaced by SkyDrive for Windows application in Windows Essentials 2012.



Google Drive


Google Drive


Official Website: https://www.google.com/intl/en_US/drive/start/index.html

Get the Download Link here: Download Google Drive Sync here

Google Drive is a file storage and synchronization service by Google that was released on April 24, 2012.

Google Drive is now the home of Google Docs, a suite of productivity applications, that offer collaborative editing on documents, spreadsheets, presentations, and more.




Google Drive gives all users 5 GByte of cloud storage to start with. A user can get additional storage, which is shared between Picasa and Google Drive, from 25 GB up to 16 TB through a paid monthly subscription plan (2.49 US$ per month for 25 GB). Originally, these subscriptions were truly treated as "additional storage" such that a user with a 25 GB subscription would still retain the free 5 GB for a total of 30 GB; however, in September 2012, Google announced it was cutting the 5 GB of free storage from all paid users' accounts, so that a user paying for 25 GB would be restricted to precisely 25 GB. Data storage of files up to 1 GB total in size was introduced on January 13, 2010, but has since been increased to 10 GB.Documents using Google Docs native formats do not count towards this quota. The largely anticipated cloud storage feature by Google is said to be replacing most of Docs' features in 2012.


For Google Drive to synchronize files on the user's computer in the cloud, the Google Drive client software must be running on the user's computer. The client will communicate with the Google Drive online, and ensure that files are synchronized in both locations.

At launch, Google Drive client software was available for the following devices: on PCs running Windows XP, Windows Vista and Windows 7, or Mac OS X Lion (10.7) and Snow Leopard (10.6); on Android smartphones and tablets with Eclair and newer OSes (Android 2.1+); on iPhones and iPads, iOS 5.0+.Work on Linux client software is underway. According to Sundar Pichai of Google, the Google Drive online storage service will be tightly integrated with Chrome OS version 20.

There are third-party Google Drive application programs ("apps") that can be installed from the Chrome Web Store. These applications, running in Google Chrome, operate on the online files, and can be used to edit images and videos, fax and sign documents, manage projects, create flowcharts, etc.

Ownership and licensing

Google has only one, unified terms of service and privacy policy for all its products. According to CNET, unlike competing services Dropbox and SkyDrive, Google retains a more broad claim to reproduce, use, and create derivative works from content stored on the Google Drive. This license is perpetual even after removal of content. Although the user retains intellectual property rights, the broad Google Drive license allows extraction and parsing of uploaded content to customize advertising and other services that Google provides to the user, and for promoting the service. The broad nature of Google's claim to uploaded files also allows for usability improvements, such as creating modified versions of uploaded content which are more suitable for various use cases. For example, transcoding an uploaded video into multiple formats more suitable for viewing on a phone or different web browsers.

Another report from The Verge finds that Google's terms are quite comparable to those of its competitors, and slightly better in some cases.

Google Docs

Google Docs (now housed in Google Drive) is a free, Web-based office suite and data storage service offered by Google. It allows users to create and edit documents online while collaborating in real-time with other users. Google Docs combines the features of Writely and Spreadsheets with apresentation program incorporating technology designed by Tonic Systems. This extension or replacement of Google Docs called Google Drive was opened to the public on April 24, 2012.


Google Docs originated from two separate products, Writely and Google Spreadsheets. Writely was a web-based word processor created by the software company Upstartle and launched in August 2005. Spreadsheets, launched as Google Labs Spreadsheets on June 6, 2006, originated from the acquisition of the XL2Web product by 2Web Technologies. Writely's original features included a collaborative text editing suite and access controls. Menus, keyboard shortcuts, and dialog boxes are similar to what users may expect in a desktop word processor such as Microsoft Word or LibreOffice Writer.

On March 9, 2006, Google announced that it had acquired Upstartle. At the time of acquisition, Upstartle had four employees. Writely closed registration to its service until the move to Google servers was complete. In August 2006, Writely sent account invitations to everyone who had requested to be placed on a waiting list, and then became publicly available on August 23. Writely continued to maintain its own user system until September 19, 2006, when it was integrated with Google Accounts.

Meanwhile, Google developed Google Spreadsheets using the technology it had acquired from 2Web Technologies in 2005 and launched Google Labs Spreadsheets on June 6, 2006 as the first public component of what would eventually become Google Docs. It was initially made available to only a limited number of users, on a first-come, first-served basis. The limited test was later replaced with a beta version available to all Google Account holders, around the same time as a press release was issued.

In February 2007, Google Docs was made available to Google Apps users.

In June 2007, Google changed the front page to include folders instead of labels, organized in a side bar.

On September 17, 2007, Google released their presentation program product for Google Docs.

On July 6, 2009, Google announced on their official blog that Google Docs along with other Google Apps would be taken out of beta.

On January 13, 2010, Google announced on their official blog that Google Docs would allow any file type, including 1 GB of free space and $0.25/GB for additional storage.

On March 7, 2010, DocVerse, an online document collaboration company, was acquired by Google. It allows multiple user online collaboration on Microsoft Office compatible document formats such as Word, Excel, and PowerPoint. Improvements based on DocVerse were announced and deployed in April 2010.

In June 2010, it was reported that access to Google Docs had been blocked in Turkey. A Google employee confirmed the problem saying that it "appear[ed] to be linked to the ongoing ban on YouTube."

As of September 29, 2011, Google Docs supports offline viewing through an opt-in beta HTML 5 web app.

On April 26, 2012, Google Launched Google Drive, which supplants Google Docs. It combines all of the Docs features with improved storage functionality.






Other Good articles for reference:


How To Sync Your Data Across Multiple Devices

    • Keep your docs, email, calendar, and contact info updated wherever you are

How to Use Dropbox as a Killer Collaborative Work Tool

How Can I Sync My Files Without Having To Store Them Online?

Lifehacker Pack for Mac: Our List of the Best Free Mac Downloads

Five Best File Syncing Tools

The Best File-Syncing Services

Only for advanced/enterprise use:



We are here thus hereby demonstrating some of the professional synchronization utilities thus involved in syncing files shares among the enterprise, both two-way and one-way file(s) transfer.


In enterprise there are shares that are published using DFSR-Namespace technology onto the Namespace server .. For more click on to follow in the System Admin sections here.

There can be more than one file share(s) / servers that are in sync (called as ) using the replication technology underneath (which can be FRS in most cases (old days), DFSR in todays world, and/or other third-party services like Robocopy that run through a scheduler )

Then these files are kept in sync with the help of the file synchronization technologies

Services like DFSR, FRS or Robocopy are used for the replication purpose of the synchronization.

FRS: File replication service, This is popular in Windows server 2000, windows server 2003

DFSR : Distributed File system with Replication :: is the latest version of FRS with some improvements . It is popular in windows versions Windows Server 2008 and later



These services detect the change using NTFS change journal (USN change Journal) Volumes and then send the replication notification to the replication partner.




Understand the terminology of Cloud-based file hosting services:

cloud baed File hosting

Cloud-based services offer extra storage space, and many allow you to sync files across multiple devices. But that's not all: Some can help you collaborate on projects, back up your PC, share photos, and stream music, too. We rounded up some cloud offerings across multiple categories.

File Sharing and Syncing

With the assistance of cloud services, you can edit your documents on any Internet-connected device, and keep them up-to-date. Do have a  look at Box, Dropbox, MediaFire, SkyDrive, and SugarSync.


Looking to work with other people on shared project files? Google Drive, Office 365, and Zoho promise to help. We tried all three services.

Sending Large Files

Email attachment limits can be frustrating when you need to give colleagues large documents. For this purpose you could use  RapidShare, Sendspace, and YouSendIt to determine which file-sending service is best.

Online Backup

Backing up your valuable files is a necessary chore, but cloud services such as Carbonite, CrashPlan, and Mozy can make the process fairly painless.

Storing and Sharing Photos

If you're an avid photographer, Flickr, Photobucket, Picasa and SmugMug can help you showcase your shots. You might even be able to make a little money from your photos.

Storing and Streaming Music

Want to bring your music collection with you? Through Amazon Cloud Player, Apple iCloud, or Google Play, you can enjoy tunes almost anywhere.

Main benefits of using such services are as follows:

Cloud-based file sharing lets companies work without VPNs or file servers

IT professionals turn to document sharing in the cloud

Next what follows is a collection of best cloud based file synchronization services / technologies:

The best cloud storage services are as follows:

Box  Dropbox  Amazon Cloud Drive 

Windows Live SkyDrive  apple iCloud

Ubuntu One Sugar Sync 

More articles can be found on skar.us using the links below

They are archived in the System Admin category / blog.

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