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The "FS2/Design" page has been changed by JulianFoad: http://wiki.apache.org/subversion/FS2/Design?action=diff&rev1=12&rev2=13 Comment: Display one of the images in-line, by attaching & linking to a PNG version. Beside this sequence of immutable revisions, the filesystem can contain an arbitrary number of ''transactions'', which are mutable snapshots that have no successors and whose predecessors (''base revisions'') are immutable. The only way to create a new revision is to ''merge'' the ''tree mutations'' described by a transaction into the HEAD tree and append the result to the revision sequence, thereby creating a new HEAD (in other words, ''rebase'' the transaction to HEAD and make it immutable). + {{attachment:fs2-tree-view.png|fs2-tree-view.png}} <<EmbedObject(fs2-tree-view.svg)>> Nodes are either ''files'', which are containers of unstructured data, or ''directories'', which are lists of named files and directories. The root node of this tree is always a directory.
