Linked by Thom Holwerda on Thu 4th Nov 2010 22:40 UTC, submitted by rhyder
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Member since:
2009-10-04
Nope, that's an entirely different type of transaction. The only "real" transactional file systems (i.e. allow multiple user-level transactions that can be cancelled individually) that I am aware of are TxF for Windows Vista/7, and TxOS for Linux: http://www.cs.utexas.edu/~porterde/txos/
That works fine when you only need to do one transaction at a time. There is no reason why a file manager shouldn't be able to do atomic copies or atomic unpacking of archives. Snapshotting the entire file system is not a very general or elegant way to solve the problem.
It is a database, but it's part of the file system (i.e. not updated by applications). Look at BFS on Haiku or BeOS.