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Unison filesync software#
Comparison of file synchronization software.Syncthing is peer-to-peer, while Unison is not. Unison differs from Syncthing in several ways, the main one being that Syncthing is designed for always-on, automated synchronization, whereas Unison is designed for synchronization that is triggered and monitored by the user. If one end is running version 2.48 or 2.51, the other end may run any version from 2.52 but the OCaml version must match. This was solved in version 2.52: both client and server can run different versions of Unison, compiled with different OCaml versions, as long as both sides are running at least version 2.52.
Unison filesync install#
This creates problems, since, e.g., Debian Linux's APT system will not provide the ability to install an arbitrarily chosen version of the software or one compiled with any desired version of the OCaml libraries, if that is what is required by a second machine running a different operating system or packaging system. Changes can be marked individually by keyboard or mouse and then implemented in bundles.Īdvantages and disadvantages, comparison with other open-source software Ĭompared to rsync, Unison is fully bi-directional and allows the user to detect and reconcile conflicts when both copies of a file have been changed since the last synchronization.īefore version 2.52, a frequent hassle for users was that both computers needed to run the same version of Unison, compiled with the same version of the OCaml libraries. The GUI versions allow an easier overview of the replicas and the proposed synchronization.
Unison filesync windows#
Under Windows and Linux they are generally based on GTK+. GUI versions of Unison exist for interactive use.
Afterwards Unison creates a replication list with suggestions for their synchronization and marks conflicts that cannot be resolved automatically. If it detects changes, the changes to the corresponding files are analyzed in more detail. Files with replication conflicts are skipped.Īfter startup, Unison checks the file inventory per directory or computer and compares the timestamps of the files. In batch mode, unique changes are automatically synchronized. It can be executed interactively or batch-controlled automatically. Unison can be called via the command line with parameters or controlled via profile files. By using the rsync algorithm only changed blocks of files have to be transferred, thus saving bandwidth. Unison allows synchronization via computer networks (LAN, Internet) by direct connection (socket) or tunneled via ssh. Syncing replicas directly Unison is independent of third-party providers.įeatures of Unison include to handle file changes on both sides of replication conflicts (same file changed on both sides) are displayed and can be resolved manually, optionally creating backups of changed files. 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. Unison is a file synchronization tool for Windows and various Unix-like systems (including macOS and Linux).
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