On Sat, 2010-02-13 at 05:20 +0000, g wrote:
> Patrick O'Callaghan wrote:
>
> > cat > foo &
> > rm foo
> > lsof +L1 -s
> >
> > When I do this the "cat" process shows up (and foo is marked as
> > deleted). You can then reconnect to "cat" (using fg) and write stuff
> > into the "non-existent" file.
>
> 'cat > foo &', will create a file 'foo' in directory and in background,
> therefore it is still open as a buffered file, so it can not be truly
> considered as 'not-existent' other than in directory.
You're overinterpreting a casual term. I used "non-existent" only to
mean that the file has no name and hence cannot be accessed by another
process ('pace' the /proc tricks already mentioned).
poc
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