[OT] Hardlinks and directories

[Patrick O'Callaghan]

On Fri, 2010-02-12 at 16:42 -0800, Suvayu Ali wrote:
> On Friday 12 February 2010 04:36 PM, Suvayu Ali wrote:
> > On Friday 12 February 2010 04:07 PM, Patrick O'Callaghan wrote:
> >> Editors can do funny things with backup files in the interests of
> >> preserving your work. An easier test would be:
> >>
> >> 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.
> 
> Another observation I forgot to mention, when I used fg and wrote to the 
> (deleted) file I could also see the size of the file increase. However 
> using `C-z' and fg again gave me back the orginal empty file _without_ 
> the edits.

How do you know it doesn't have the edits if you can't open it?

poc