Portable Unison allows two replicas of a collection of files and directories to be stored on different hosts, be modified separately and then updated with the changes from one another.
Here are some key features of "Portable Unison":
· Unison runs on both Windows and many flavors of Unix (Solaris, Linux, OS X, etc.) systems. Moreover, Unison works across platforms, allowing you to synchronize a Windows laptop with a Unix server, for example.
· Unlike simple mirroring or backup utilities, Unison can deal with updates to both replicas of a distributed directory structure. Updates that do not conflict are propagated automatically. Conflicting updates are detected and displayed.
· Unlike a distributed filesystem, Unison is a user-level program: there is no need to modify the kernel or to have superuser privileges on either host.
· Unison works between any pair of machines connected to the Internet, communicating over either a direct socket link or tunneling over an encrypted SSH connection. It is careful with network bandwidth, and runs well over slow links such as PPP connections. Transfers of small updates to large files are
optimized using a compression protocol similar to rsync.
· Unison is resilient to failure. It is careful to leave the replicas and its own private structures in a sensible state at all times, even in case of abnormal termination or communication failures.
Note: A blank console window will always be visible when working with Unison. You can learn more about this here.
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