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> Automatically take a snapshot every 5 minutes, and present a the user a program that broweses the filesystem at time X, probably with integration into the filemanager to restore files/folders.

Something like this? http://java.dzone.com/news/killer-feature-opensolaris-200

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That sounds like it is doing something fancier then periodic snapshotting, such as using an immutable filesystem, where every fs operation is inherently lossless (up to garbage collection).

Of course, I might be reading to much into the continous nature of a slider. Does anyone have experience with that feature?

(Sorry for the late reply)

In OpenSolaris it just used cronjobs to create zfs snapshots.

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