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LinuxPR: Unison File Synchronizer Incorporates Rsync-style Compression

Sep 27, 2000, 17:33 (1 Talkback[s])

"The Unison development team at the University of Pennsylvania has announced a new public release (version 2.5) of its file synchronization tool for Unix and Windows systems. The new version incorporates (among many other improvements) an implementation of the "rsync protocol" for diffs-only propagation of small changes to large files."

"The current release is available for immediate download from

in both source and binary form."

"Unison 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. The protocol for file transfers now incorporates a key algorithm from Andrew Tridgell's popular rsync utility, allowing small changes in large files to be reconciled by transmitting only a few bytes over the network."

Press Release