they are probably used to open your pdf files faster, see how long it takes
to open a big pdf after you remove them all, then see how long it takes on
subsequent opens.

if you have plenty of ram make a ramdisk and  create a symbolic link of
that directory to the ramdisk, then they all go away when you shut down.

If this is an SSD, then I would definitely do that to save on wear and tear.



On Jul 11, 2017 5:21 PM, <joe@actionline.com> wrote:

> Thanks to all who responded re my okular question.
>
> I conclude from the responses that there would be no
> harm done by deleting all those files. So that answers
> the most important part of my question. I'm still curious
> why those files are created in the first place and what,
> if any, benefit they have.
>
>
>
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