Unison is a file-synchronization tool for Unix and Windows. It allows two replicas of a collection of files and directories to be stored on different hosts (or different disks on the same host), modified separately, and then brought up to date by propagating the changes in each replica to the other.
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http://www.ubuntugeek.com –
Using Unison to synchronize data on a USB stick
http://nothickmanuals.info –
If graphical synchronization tools like Toucan are not flexible enough for your needs, you might want to try Unison, an easy-to-use yet powerful synchronization utility.
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