Stupid question of the day.

How can I find a file that is associated with a package installed on my Ubuntu 12.04 desktop. More clarification, so if I:

How can I find the program that this file is associated with?

That line says someone is running java in that process 11399, which dynamically linked to this library in the jre7.0_07 package, so between more 'lsof' and a wide 'ps' you can find out what they ran and all the files currently open. The truss/tusc/strace tool for your OS can be attached with -p by same user or root to see what system calls it is running. However, past opens for config or data now closed are not disclosed, nor future opens for config, data or dynamic libs.

Thanks for the reply, I meant the file

how can I find out what java Ubuntu package this belongs too from the deb package archive on my desktop?

I think I figured it out:

Thanks for the help

dpkg -S is fine to search, as you wrote, among installed packages.
A more generic search can be performed using apt-file search .
--
Bye

If you use 'yum', it has a variety of similar searches, for those in rpm land: yum