On Sat, Feb 06, 2016 at 04:19:07PM +0000, Rainer Weikusat wrote:
>
> Each of the mounted filesystems provides a set of methods implementing
> the filesystem syscalls for this kind of filesystem and there are no
> restriction regarding what these method might do. Eg, one could create a
> filesystem where deleting a file named Richard causes an immediate
> ACPI poweroff. There's also a Filesystem In Userspace (FUSE) facility
> which enables arbitrary applications to implement filesystem syscalls.
>
> "Invoke unlink/ rmdir methods for all named objects currently visible in
> the filesystem namespace" is something very much different from
> "fill a disk partition with zeroes" and doing this without knowing what
> these unlink/ rmdir methods will end up doing is just recklessly trying
> one's luck.

The situation is more explicit in the modern filenamespace-based OS's
like Plan 9 and Inferno.

-- hendrik