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In my opinion it is way too easy in Unix to accidentally delete stuff (even for experienced users). Having a filesystem with good (per-user) rollback support is, imho, more than just a luxury.



I miss VMS, with its 32767 backup versions of every file.


The people writing UNIX put all their brains into writing a stupid system.

Also, there are now CoW Filesystems that prevent data loss because of human error. Btrfs and ZFS are good examples.


But you really don't want to use those when working with databases, the performance loss is severe.




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